Publications by A. A. Rovenchak

  1. A. A. Rovenchak, Yu. S. Krynytskyi
    Ideal Bose gas in steep one-dimensional traps
    Fiz. Nizk. Temp. 48, No. 1, 23-29 (2022)
    [abs]
  2. M. Husev, A. A. Rovenchak
    On the verge of life: Distribution of nucleotide sequences in viral RNAs
    Biosemiotics 14, No. 2, 253-269 (2021)
    [abs]
  3. A. A. Rovenchak
    Physics in Lviv institutions for higher education
    Leopolis Scientifica. Exact Sciences in Lviv until the middle of the 20th century, edited by O. Petruk 235-272 (Lviv: Institute for Applied Problems in Mechanics and Mathematics, 2021)
  4. Yu. S. Krynytskyi, A. A. Rovenchak
    Asymptotic estimation for eigenvalues in the exponential potential and for zeros of K(z) with respect to order
    SIGMA 17, 057 [7 p.] (2021)
    [abs]
  5. Z. Shvaika, P. Sapriianchuk, A. A. Rovenchak
    Bose systems in linear traps: Exact calculations versus effective space dimensionality
    Fiz. Nizk. Temp. 47, No. 7, 626–632 (2021)
    [Low Temp. Phys. 47(7), 577-583 (2021)]

    [abs]
  6. A. A. Rovenchak
    What would gravity look like on a flat Earth?
    Delta – matematyka, fizyka, astronomia, informatyka No. 4 (563), 4-7 (2021)
  7. A. A. Rovenchak
    Bamana tales recorded by Umaru Ɲanankɔrɔ Jara: A comparative study based on a Bamana–French parallel corpus
    Mandenkan: Bulletin semestriel d'études linguistiques mandé 64, 81-104 (2021)
    [full text]
  8. S. Buk, A. A. Rovenchak
    Sentence lengths in Ukrainian: From words to finite verbs via autosemantics
    Words and Numbers. In Memory of Peter Grzybek (1957-2019), edited by Emmerich Kelih and Reinhard Köhler, 16–26 (Lüdenscheid: RAM-Verlag, 2020)
    [abs]
  9. A. A. Rovenchak
    Physics in Lviv educational institutions starting from the 17th century
    Leopolis Scientifica. Science in Lviv until the middle of the 20th century. Part II. Exact sciences, edited by O. Petruk, 219-286 (Lviv: Artos, 2020)
  10. O. M. Chubai, A. A. Rovenchak
    Ideal Bose gas in some deformed types of thermodynamics. Correspondence between deformation parameters
    Ukr. J. Phys. 65, No. 6, 500-509 (2020)
    [abs]
  11. A. A. Rovenchak
    Deforming Gibbs factor using Tsallis q-exponential with a complex parameter: An ideal Bose gas case
    Symmetry 12, No. 5, 732 [12 p.] (2020)
    [abs]
  12. A. A. Rovenchak, S. Buk
    Indigenous African scripts
    The Oxford Handbook of African Languages, edited by Rainer Vossen and Gerrit J. Dimmendaal, 797-812 (Oxford University Press, 2020)
    [abs]
  13. A. A. Rovenchak, V. Vydrin
    Syllable frequencies in Manding: Examples from periodicals in Bamana and Maninka
    Glottometrics 48, 17-37 (2020)
    [full text]
  14. A. A. Rovenchak, S. Buk
    Quantum distributions and text studies: Temperature and literature
    Ukraina Moderna 27, 29-45 (2019)
    [abs]
  15. A. A. Rovenchak
    A quantitative analysis of writing systems: The N'ko alphabet
    Ukraina Moderna 27, 139-152 (2019)
    [abs]
  16. S. Buk, Yu. S. Krynytskyi, A. A. Rovenchak
    Properties of autosemantic word networks in Ukrainian texts
    Adv. Complex Syst. 22, No. 6, 1950016 [22 p.] (2019)
    [abs]
  17. A. A. Rovenchak, B. Sobko
    Fugacity versus chemical potential in nonadditive generalizations of the ideal Fermi-gas
    Physica A 534, 122098 [11 p.] (2019)
    [abs]
  18. B. Sobko, A. A. Rovenchak
    Superadditive model of the ideal Fermi-gas near absolute zero
    Visnyk Lviv Univ. Ser. Phys. 56, 65-75 (2019)
    [abs]
  19. S. Buk, A. A. Rovenchak
    Simple definition of distances between texts from rank–frequency distributions. A case of Ukrainian long prose works by Ivan Franko
    Glottometrics 46, 1-11 (2019)
    [full text]
  20. B. Sobko, A. A. Rovenchak
    Corrections to thermodynamics of the system of magnetically charged anyons
    Fiz. Nizk. Temp. 45, No. 8, 1029-1034 (2019)
    [Low Temp. Phys. 45(8), 880-884 (2019)]

    [abs]
  21. O. Kuzii, A. A. Rovenchak
    What the gravitation of a flat Earth would look like and why thus the Earth is not actually flat
    Eur. J. Phys. 40, No. 3, 035008 [11 p.] (2019)
    [abs]
  22. Yu. S. Krynytskyi, A. A. Rovenchak
    Multipole expansions for time-dependent charge and current distributions in quasistatic approximation
    Mod. Phys. Lett. A 34 , No. 2, 1950018 [18 p.] (2019)
    [abs]
  23. A. A. Rovenchak
    Division of the Chair of Physics at the University of Lviv into the Chairs of Theoretical and Experimental Physics as reflected in documents
    Visnyk Lviv Univ. Ser. Phys. 55, 3-12 (2018)
    [abs]
  24. A. A. Rovenchak, A. Trokhymchuk
    From Brownian motion to molecular simulations
    Math. Model. Comput. 5, No. 2, 99-107 (2018)
    [abs]
  25. A. A. Rovenchak
    Department for Experimental Physics, University of Lviv, in 1872-1939: Contributions to biobibliography
    J. Phys. Stud. 22, No. 4, 4002 [24 p.] (2018)
    [abs]
  26. A. A. Rovenchak, Yu. S. Krynytskyi
    Radiation of the electromagnetic field beyond the dipole approximation
    Am. J. Phys. 86, No. 10, 727-732 (2018)
    [abs]
  27. A. A. Rovenchak
    Ideal Bose-gas in nonadditive statistics
    Fiz. Nizk. Temp. 44, No. 10, 1308-1315 (2018)
    [Low Temp. Phys. 44(10), 1025-1031 (2018)]

    [abs]
  28. A. A. Rovenchak
    Texts for the corpus of Nko: collection, conversion, and open issues
    Mandenkan: Bulletin semestriel d'études linguistiques mandé 59, 57-66 (2018)
    [full text]
  29. A. A. Rovenchak, Ch. Riley, T. Sherman
    The Diary of Boima Kiakpomgbo from Mando Town (Liberia): A quantitative study of a Vai text
    J. Quant. Ling. 25, No. 3, 271-287 (2018)
    [abs]
  30. A. A. Rovenchak, O. Rovenchak
    Quantifying comprehensibility of Christmas and Easter addresses from the Ukrainian Greek Catholic Church hierarchs
    Glottometrics 41, 57-66 (2018)
    [full text]
  31. A. A. Rovenchak
    Telling apart Felidae and Ursidae from the distribution of nucleotides in mitochondrial DNA
    Mod. Phys. Lett. B 32, No. 5, 1850057 [16 p.] (2018)
    [abs]
  32. Ya. Vasiuta, A. A. Rovenchak
    Modeling free anyons at the bosonic and fermionic ends
    Physica A 490, 918–927 (2018)
    [abs]
  33. A. A. Rovenchak, S. Buk
    Part-of-speech sequences in literary text: Evidence from Ukrainian
    J. Quant. Ling. 25, No. 1, 1-21 (2018)
    [abs]
  34. A. A. Rovenchak
    Indigenous writing systems in Africa since the 19th century to the present time
    Visnyk Lviv Univ. Ser. Philol. 65, 254–271 (2017)
    [abs]
  35. Yu. Holovatch, M. Krasnytska, O. Mryglod, A. A. Rovenchak
    Twenty years of the Journal of Physical Studies. An attempt at a journalometric analysis
    J. Phys. Stud. 21, No. 4, 4001 [19 p.] (2017)
    [full text]
  36. G. V. Ponedilok, A. A. Rovenchak
    To the history of theoretical physics studies at the Lviv Polytechnic
    J. Phys. Stud. 21, No. 1/2, 1003 [9 p.] (2017)
    [full text]
  37. A. A. Rovenchak, O. Kiktyeva
    Physics at the University of Lviv since the 17th century until the Second World War: Addenda to the bibliography
    Studia Historiae Scientiarum 15, 47-73 (2016)
    [abs]
  38. A. A. Rovenchak
    Statistical mechanics approach in the counting of integer partitions
    Banach Center Publ. 109, 155-166 (2016)
    [abs]
  39. S. Buk, A. A. Rovenchak
    Probing the “temperature” approach on Ukrainian texts: Long-prose fiction by Ivan Franko
    Studies in Quantitative linguistics 23: Issues in Quantitative Linguistics 4, edited by E. Kelih, R. Knight, J. Mačutek, A. Wilson, 160–175 (Lüdenscheid: RAM-Verlag, 2016)
    [full text]
  40. B. Sobko, A. A. Rovenchak
    Spectrum of two anyons in a constant magnetic field with magnetic charges
    Visnyk Lviv Univ. Ser. Phys. 51, 87-97 (2016)
    [full text]
  41. V. Vydrin, A. A. Rovenchak, K. Maslinsky
    Maninka Reference Corpus: A Presentation
    Actes de la conférence conjointe JEP-TALN-RECITAL 2016, volume 11 : TALAF 87-94 (Paris: Association Francophone pour la Communication Parlée (AFCP) et Association pour le Traitement Automatique des Langues (ATALA), 2016)
    [full text]
  42. M. Ya. Hornetska, A. A. Rovenchak
    Two-parameter modifications of anyonic statistics
    Ukr. J. Phys. 61, No. 2, 168-177 (2016)
    [abs]
  43. A. A. Rovenchak
    Effective Hamiltonian and excitation spectrum of harmonically trapped bosons
    Fiz. Nizk. Temp. 42, No. 1, 49–55 (2016)
    [Low Temp. Phys. 42, 36-41 (2016)]

    [abs]
  44. A. A. Rovenchak
    Quantitative studies in the corpus of Nko periodicals
    Recent Contributions to Quantitative Linguistics, edited by Arjuna Tuzzi, Martina Benešová and Ján Mačutek, 125-138 (Berlin–Boston: Mouton de Gruyter, 2015)
    [abs]
  45. A. A. Rovenchak
    Models of frequency spectrum in texts based on quantum distributions in fractional space dimensions
    in: 20th International Conference on Control Systems and Computer Science CSCS 2015: Proceedings, 27-29 May 2015, Bucharest, Romania. Ed. by I. Dumitrache, A. M. Florea, F. Pop, and A. Dumitraşcu. Los Alamitos, CA: IEEE Computer Society 645-649 (2015)
    [abs]
  46. A. A. Rovenchak
    Where Alice meets Little Prince: Another approach to study language relationships
    Sequences in Language and Text / Ed. by George K. Mikros, Ján Mačutek, 217-230 (Berlin–Boston: Mouton de Gruyter, 2015)
    [abs]
  47. A. A. Rovenchak
    A note on the calculation of the long-wavelength limit of the bosonic excitation spectrum
    Z. Naturforsch. A 70, No. 1, 73-78 (2015)
    [abs]
  48. A. A. Rovenchak
    Enumeration of plane partitions with a restricted number of parts
    Theor. Math. Phys. 181, No. 2, 1428-1434 (2014)
    [abs]
  49. A. A. Rovenchak
    Physics at the University of Lviv: The first two centuries in the bibliographic aspect
    J. Phys. Stud. 18, No. 2/3, 2005 [20 p.] (2014)
    [full text]
  50. E. Kelih, A. A. Rovenchak, S. Buk
    Analysing h-point in lemmatised and non-lemmatised texts
    Studies in Quantitative Linguistics 17: Empirical Approaches to Text and Language Analysis; dedicated to Luděk Hřebiček on the occasion of his 80th birthday. Ed. by G. Altmann, R. Čech, J. Mačutek, L. Uhlířová (RAM-Verlag, Lüdenscheid) 81-93 (2014)
    [full text]
  51. A. A. Rovenchak
    Two-parametric fractional statistics models for anyons
    Eur. Phys. J. B 87, No. 8, 175 [6 p.] (2014)
    [abs]
  52. A. A. Rovenchak
    Trends in language evolution found from the frequency structure of texts mapped against the Bose-distribution
    J. Quant. Ling. 21, No. 3, 281-294 (2014)
    [abs]
  53. A. A. Rovenchak
    Weakly nonadditive Polychronakos statistics
    Phys. Rev. A 89, No. 5, 052116 [7 p.] (2014)
    [abs]
  54. A. A. Rovenchak
    Complex-valued fractional statistics for D-dimensional harmonic oscillators
    Phys. Lett. A 378, No. 3, 100-108 (2014)
    [abs]
  55. O. M. Popel, A. A. Rovenchak
    Physics in Lviv University before 1953
    Svit Fizyky (World of Physics) No. 4, 3-20 (2013)
    [Also in Faculty of Physics of the Ivan Franko National University of Lviv (1953–2013) / [I. Vakarchuk, P. Yakibchuk, O. Mykolaychuk, O. Popel], (Lviv: Lviv University Press, 2013), p. 19-33]

    [full text]
  56. A. A. Rovenchak
    Bibliography of the Department for Theoretical Physics, University of Lviv, in 1914-1939
    J. Phys. Stud. 17, No. 3, 3002 [13 p.] (2013)
    [full text]
  57. A. A. Rovenchak
    Phase transition in a system of 1D harmonic oscillators obeying Polychronakos statistics with a complex parameter
    Fiz. Nizk. Temp. 39, No. 10, 1141-1145 (2013)
    [Low Temp. Phys. 39, 888-892 (2013)]

    [abs]
  58. A. A. Rovenchak
    Fractional statistics: Looking from the statistical mechanics point of view
    J. Phys. Stud. 17, No. 2, 2001 [15 p.] (2013)
    [full text]
  59. A. A. Rovenchak, S. Buk
    Masadennin (The Little Prince in Bamana): Experimental online concordance with parallel French and English texts
    Mandenkan: Bulletin semestriel d'études linguistiques mandé 50, 117-130 (2013)
    [full text]
  60. I.-I. Popescu, S. Naumann, E. Kelih, A. A. Rovenchak, H. Sanada, A. Overbeck, R. Smith, R. Čech, P. Mohanty, A. Wilson, G. Altmann
    Word length: aspects and languages
    Studies in Quantitative Linguistics 13: Issues in Quantitative Linguistics, Vol. 3. To honour Karl-Heinz Best on the occasion of his 70th birthday. Ed. by R. Köhler and G. Altmann (RAM-Verlag, Lüdenscheid) 224-281 (2013)
    [full text]
  61. A. A. Rovenchak
    Polychronakos fractional statistics with a complex-valued parameter
    J. Phys.: Conf. Ser. 400, 012064 [4 p.] (2012)
    [abs]
  62. A. A. Rovenchak
    Lviv period for Smoluchowski: Science, teaching, and beyond
    Condens. Matter Phys. 15, No. 4, 40002 [15 p.] (2012)
    [abs]
  63. D. Prokhorov, A. A. Rovenchak
    Asymptotic formulas for integer partitions within the approach of microcanonical ensemble
    Condens. Matter Phys. 15, No. 3, 33001 [9 p.] (2012)
    [abs]
  64. N. Chulan, A. A. Rovenchak
    Something about magnetic monopoles
    Svit Fizyky (World of Physics) ¹ 3, 3-8 (2012)
    [full text]
  65. A. A. Rovenchak
    Numerical notation in Africa
    Afrikanistik online 9, (2012)
    [full text]
  66. S. Buk, A. A. Rovenchak
    Corpus of texts in indigenous African scripts
    in: Proceedings of the 6th World Congress of African Linguistics, Cologne, 17-21 August 2009. Ed by M. Brenzinger & A.-M. Fehn, 651-658 (Köln: Rüdiger Köppe Verlag, 2012)
    [abs]
  67. A. A. Rovenchak, S. Buk
    Defining thermodynamic parameters for texts from word rank-frequency distributions
    J. Phys. Stud. 15, No. 1, 1005 [6 p.] (2011)
    [full text]
  68. A. A. Rovenchak, S. Buk
    Application of a quantum ensemble model to linguistic analysis
    Physica A 390, No. 7, 1326-1331 (2011)
    [abs]
  69. A. A. Rovenchak
    A naïve conception of the uncertainty principle in the multiparametric attribution of texts
    Glottometrics 21, 65-72 (2011)
    [full text]
  70. A. A. Rovenchak, Ch. Riley, T. Sherman
    Complexity of the Vai script revisited: a frequency study of the syllabary
    Studies in Quantitative Linguistics 11: Issues in Quantitative Linguistics, Vol. 2. Ed. by E. Kelih, V. Levickij, Yu. Matskulyak, 117-128 (Lüdenscheid: RAM-Verlag, 2011)
    [full text]
  71. J. Mačutek, A. A. Rovenchak
    Canonical word forms: Menzerath–Altmann law, phonemic length and syllabic length
    Studies in Quantitative Linguistics 11: Issues in Quantitative Linguistics, Vol. 2. Ed. by E. Kelih, V. Levickij, Yu. Matskulyak, 136-147 (Lüdenscheid: RAM-Verlag, 2011)
    [full text]
  72. A. A. Rovenchak
    Phoneme distribution, syllabic structure, and tonal patterns in Nko texts
    Mandenkan: Bulletin semestriel d'études linguistiques mandé 47, 77-96 (2011)
    [full text]
  73. A. A. Rovenchak
    Writing as a reflection of the civilization from Antiquity to the Modern Times
    Limbaj şi context: Revistă internaţională de lingvistică, semiotică şi ştiinţă literară = Speech and Context: International Journal of Linguistics, Semiotics and Literary Science III, nr. 2, 34-44 (2011)
    [full text]
  74. A. A. Rovenchak
    Partition function formalism in the problem of multidimensional integer partitions
    Computational Methods in Science and Technology (Poznań) 16, No. 2, 187-190 (2010)
    [abs]
  75. A. A. Rovenchak
    Harmonically trapped bosons on the Sierpiński carpet
    Acta Phys. Polon. A 118, No. 4, 531-533 (2010)
    [abs]
  76. Yu. S. Krynytskyi, A. A. Rovenchak
    Development of the complex number concept: from Descartes to Riemann
    Svit Fizyky (World of Physics) ¹ 1, 3-9 (2010)
    [full text]
  77. S. Buk, O. Humenchyk, L. Mal'tseva, A. A. Rovenchak
    Word-length-related parameters of text genres in the Ukrainian language. A pilot study
    in: Text and Language: Structures - Functions - Interrelations. Quantitative perspectives, edited by P. Grzybek, E. Kelih, J. Mačutek, 13-19 (Wien: Praesens, 2010)
  78. A. A. Rovenchak, V. Vydrin
    Quantitative properties of the Nko writing system
    in: Text and Language: Structures - Functions - Interrelations. Quantitative perspectives, edited by P. Grzybek, E. Kelih, J. Mačutek, 171-181 (Wien: Praesens, 2010)
  79. S. Buk, A. A. Rovenchak
    Online-concordance of "Perekhresni stezhky" ("The Cross-Paths"), a novel by Ivan Franko
    Ivan Franko: Spirit, Science, Thought, Will: Proceedings of the International Scientific Congress dedicated to the 150th anniversary (Lviv, 27 September – 1 October 2006), 2, 203-211 (Lviv University Press, 2010)
  80. A. A. Rovenchak
    Development of fonts for African scripts: Using computer technologies to preserve Africa's written heritage
    5000 Jahre Schrift in Afrika – 5000 Years of Script in Africa / Ed. by A. Kootz & H. Pasch.— Afrikanistik online 7, (2010)
    [full text]
  81. S. Buk, A. A. Rovenchak
    Principles of tagging internal text elements in the typologically balanced Ukrainian text database
    Ljudyna. Kompjuter. Komunikacija, 66-69 (Lviv: Lvivska Politekhnika Publishers, 2010)
  82. A. A. Rovenchak
    Natural sciences as a self-consistent system (?)
    in: Philosophical Problems of Science: Lviv-Warsaw Seminar 156-163 (2010)
  83. A. A. Rovenchak, Yu. S. Krynytskyi
    History of complex numbers origins
    Svit Fizyky (World of Physics) ¹ 3, 3-9 (2009)
  84. A. A. Rovenchak
    Oskar Fabian the first chair of theoretical physics on the University of Lvov
    Postępy Fizyki 60, No. 5, 205-210 (2009)
  85. M. I. Topilko, A. A. Rovenchak
    Thermodynamic functions of one-dimensional weakly-interacting harmonic oscillators with the Gentile statistics
    J. Phys. Stud. 13, No. 2, 2004 [8 p.] (2009)
    [full text]
  86. A. A. Rovenchak
    Oskar Fabian, the first head of the Department for Theoretical Physics at the University of Lviv
    Acta Physica Polonica A 116, No. 2, 109-113 (2009)
  87. A. A. Rovenchak
    The relation between fractional statistics and finite bosonic systems in one-dimensional case
    Fiz. Nizk. Temp. 35, No. 5, 510-513 (2009)
    [Low Temp. Phys. 35, 400-403 (2009)]
  88. E. Kelih, S. Buk, P. Grzybek, A. A. Rovenchak
    Project description: Designing and constructing a typologically balanced Ukrainian text database
    in: Methods of Text Analysis: Omnibus volume, 125-132 (Chernivtsi: ČNU, 2009)
  89. A. A. Rovenchak, J. Mačutek, Ch. Riley
    Distribution of complexities in the Vai script
    Glottometrics 18, 1-12 (2009)
  90. A. A. Rovenchak
    Towards the decipherment of the Bagam script
    Afrikanistik online 6, (2009)
    [full text]
  91. S. Buk, A. A. Rovenchak
    Menzerath–Altmann law for syntactic structures in Ukrainian
    Glottotheory 1, No. 1, 10-17 (2008)
  92. A. A. Rovenchak
    Starting an online concordance for indigenous African scripts: The case of Vai
    Mande Languages and Linguistics: 2nd International Conference. St. Petersburg (Russia), September 15-17 2008: Abstracts and Papers 11-15 (2008)
  93. S. Buk, J. Mačutek, A. A. Rovenchak
    Some properties of the Ukrainian writing system
    Glottometrics 16, 63-79 (2008)
  94. A. A. Rovenchak, I. O. Vakarchuk
    Calculation of the condensate fraction in liquid helium-4
    J. Phys. Stud. 11, No. 4, 404-407 (2007)
    [abs]
  95. I. O. Vakarchuk, R. O. Prytula, A. A. Rovenchak
    Kinetic energy and heat capacity of liquid 4He
    J. Phys. Stud. 11, No. 3, 259-267 (2007)
    [abs]
  96. I. M. Ilkiv, A. A. Rovenchak
    The influence of weak interaction on the Bose-gas properties
    J. Phys. Stud. 11, No. 1, 122-131 (2007)
    [abs]
  97. A. A. Rovenchak
    Weakly-interacting bosons in a trap within approximate second quantization approach
    J. Low Temp. Phys. 148, Nos. 3/4, 411-416 (2007)
  98. S. Buk, A. A. Rovenchak
    Statistical parameters of Ivan Franko's novel Perekhresni stežky (The Cross-Paths)
    Quantitative Linguistics, Vol. 62: Exact methods in the study of language and text: dedicated to Professor Gabriel Altmann on the occasion of his 75th birthday, edited by Peter Grzybek and Reinhard Köhler, 39-48 (Berlin–New York: Mouton de Gruyter, 2007)
  99. A. A. Rovenchak
    Energy spectrum of an interacting Bose-system
    J. Low Temp. Phys. 138, Nos.1/2, 49-54 (2005)
  100. A. A. Rovenchak
    Extraction of interatomic potentials from structure of liquids
    Centr. Eur. J. Phys. 3, No. 1, 47-60 (2005)
  101. S. Buk, A. A. Rovenchak
    Rank-frequency analysis for functional style corpora of Ukrainian
    J. Quant. Ling. 11, 3, 161-171 (2004)
  102. A. A. Rovenchak
    80 years of Bose-systems studies
    Svit Fizyky (World of Physics) ¹ 2(27), 3-9 (2004)
  103. A. A. Rovenchak
    Interatomic potentials of dilute many-boson system
    Uzhhorod Univ. Sci. Herald. Ser. Phys. 14, 16-19 (2003)
  104. A. A. Rovenchak
    Effective mass of atom and the excitation spectrum in liquid helium-4 at T = 0 K
    Fiz. Nizk. Temp. 29, No. 2, 145-148 (2003)
    [Low Temp. Phys. 29, 105-107 (2003)]
  105. A. A. Rovenchak
    Helium-4 energy and specific heat in superfluid and normal phase
    J. Phys. Stud. 6, No. 3, 298-304 (2002)
    [full text]
  106. I. O. Vakarchuk, A. A. Rovenchak
    Representation of the short-range interactions in liquid helium via modified hard sphere potentials
    J. Phys. Stud. 5, No. 2, 126-130 (2001)
    [full text]
  107. I. O. Vakarchuk, A. A. Rovenchak
    Thermodynamics of the Bose-system with a small number of particles
    Condens. Matter Phys. 4, No. 3(27), 431-447 (2001)
    [abs]
  108. I. O. Vakarchuk, V. V. Babin, A. A. Rovenchak
    A potential energy of interaction between helium atoms
    J. Phys. Stud. 4, No. 1, 16-22 (2000)
    [full text]
  109. A. A. Rovenchak, S. S. Pikh
    Regge trajectories in potential model
    Visnyk Lviv. Univ. Ser. Fiz. 27, 11-15 (1995)