Persons RUS  ENG    JOURNALS   PEOPLE   ORGANISATIONS   CONFERENCES   SEMINARS   VIDEO LIBRARY   PACKAGE AMSBIB     Velichko, Oleg Vladimirovich E-mail: https://www.mathnet.ru/eng/person68216 List of publications on Google Scholar Publications in Math-Net.Ru Citations 2011 1. I. V. Stasyuk, O. V. Velichko, “Bose–Einstein condensation in the excited band and the energy spectrum of the Bose–Hubbard model”, TMF, 168:3 (2011),  571–583    ; Theoret. and Math. Phys., 168:3 (2011), 1347–1357     4 Organisations Institute for Condensed Matter Physics, National Academy of Sciences of Ukraine