Persons RUS  ENG    JOURNALS   PEOPLE   ORGANISATIONS   CONFERENCES   SEMINARS   VIDEO LIBRARY   PACKAGE AMSBIB     Opershtein, Vladimir Aleksandrovich Candidate of physico-mathematical sciences https://www.mathnet.ru/eng/person155413 List of publications on Google Scholar Publications in Math-Net.Ru Citations 1990 1. V. A. Opershtein, “A constructive characterization of the spaces $B_{pq}^\psi[-1,1]$ by means of approximations by algebraic polynomials”, Dokl. Akad. Nauk SSSR, 310:3 (1990),  542–545      ; Dokl. Math., 41:1 (1990), 101–104 Organisations Yaroslavl State University