Persons RUS  ENG    JOURNALS   PEOPLE   ORGANISATIONS   CONFERENCES   SEMINARS   VIDEO LIBRARY   PACKAGE AMSBIB     Èngel'son, Ya L https://www.mathnet.ru/eng/person35276 List of publications on Google Scholar https://zbmath.org/authors/ai:engelson.yakov-leopoldovich https://mathscinet.ams.org/mathscinet/MRAuthorID/439768 Publications in Math-Net.Ru Citations 1958 1. M. M. Vainberg, Ya. L. Èngel'son, “On the square root of a linear operator in locally convex spaces”, Dokl. Akad. Nauk SSSR, 122:5 (1958),  755–758       2. M. M. Vainberg, Ya. L. Èngel'son, “A conditional extreme of functionals in linear topological spaces”, Mat. Sb. (N.S.), 45(87):4 (1958),  417–422       2