Persons RUS  ENG    JOURNALS   PEOPLE   ORGANISATIONS   CONFERENCES   SEMINARS   VIDEO LIBRARY   PACKAGE AMSBIB     Petrenko, O V E-mail: https://www.mathnet.ru/eng/person116334 List of publications on Google Scholar Publications in Math-Net.Ru Citations 2015 1. O. V. Petrenko, I. V. Protasov, “Ultrafilters on $G$-spaces”, Algebra Discrete Math., 19:2 (2015),  254–269       Organisations National Taras Shevchenko University of Kyiv