Persons RUS  ENG    JOURNALS   PEOPLE   ORGANISATIONS   CONFERENCES   SEMINARS   VIDEO LIBRARY   PACKAGE AMSBIB     Ustyuzhanin, Aleksandr Mikhailovich (1958–2009) Candidate of physico-mathematical sciences (1988) https://www.mathnet.ru/eng/person119119 List of publications on Google Scholar Publications in Math-Net.Ru Citations 1985 1. A. M. Ustyuzhanin, “A problem of estimation of a matrix parameter”, Differ. Uravn., 21:3 (1985),  410–416     Organisations Institute of Mathematics and Mechanics, Ural Branch of the AS of USSR