Persons RUS  ENG    JOURNALS   PEOPLE   ORGANISATIONS   CONFERENCES   SEMINARS   VIDEO LIBRARY   PACKAGE AMSBIB     Poroshenko, V N https://www.mathnet.ru/eng/person42187 List of publications on Google Scholar https://mathscinet.ams.org/mathscinet/MRAuthorID/520278 Publications in Math-Net.Ru Citations 1981 1. V. N. Poroshenko, “Uniqueness of an algebraic polynomial of best approximation in the $L_1$ metric”, Mat. Zametki, 29:6 (1981),  817–828      ; Math. Notes, 29:6 (1981), 416–421