Persons RUS  ENG    JOURNALS   PEOPLE   ORGANISATIONS   CONFERENCES   SEMINARS   VIDEO LIBRARY   PACKAGE AMSBIB     Berstein, Israel https://www.mathnet.ru/eng/person124100 List of publications on Google Scholar Publications in Math-Net.Ru Citations 1966 1. I. Berstein, “On co-groups in the category of graded algebras”, Matematika, 10:4 (1966),  32–44      ; Trans. Amer. Math. Soc., 115 (1965), 257–269 1957 2. I. Berstein, “On the problem of periodical solutions of non-linear systems with a small parameter”, Dokl. Akad. Nauk SSSR, 113:1 (1957),  9–11       Organisations Institute of Mathematics "Simion Stoilow" of the Romanian Academy