Persons RUS  ENG    JOURNALS   PEOPLE   ORGANISATIONS   CONFERENCES   SEMINARS   VIDEO LIBRARY   PACKAGE AMSBIB     Rangelov, Ts V https://www.mathnet.ru/eng/person22559 List of publications on Google Scholar https://mathscinet.ams.org/mathscinet/MRAuthorID/144695 Publications in Math-Net.Ru Citations 1977 1. Yu. V. Egorov, Ts. V. Rangelov, “A class of pseudodifferential equations, with double characteristics, that have no solution”, Uspekhi Mat. Nauk, 32:1(193) (1977),  185–186       1