Persons RUS  ENG    JOURNALS   PEOPLE   ORGANISATIONS   CONFERENCES   SEMINARS   VIDEO LIBRARY   PACKAGE AMSBIB     Vaskan, Fedor Kirillovich Candidate of physico-mathematical sciences (1969) https://www.mathnet.ru/eng/person116974 List of publications on Google Scholar Publications in Math-Net.Ru Citations 1970 1. E. A. Grebenikov, F. K. Vaskan, “The reducibility of multifrequency systems of differential equations with summable series”, Differ. Uravn., 6:3 (1970),  403–411       1 Organisations Peoples Friendship University of Russia