Persons RUS  ENG    JOURNALS   PEOPLE   ORGANISATIONS   CONFERENCES   SEMINARS   VIDEO LIBRARY   PACKAGE AMSBIB     Shapovalov, V P https://www.mathnet.ru/eng/person117393 List of publications on Google Scholar Publications in Math-Net.Ru Citations 1973 1. V. P. Shapovalov, “Integration of certain classes of systems of two first order ordinary differential equations”, Differ. Uravn., 9:6 (1973),  1154–1155       Organisations Leningrad State University