Persons RUS  ENG    JOURNALS   PEOPLE   ORGANISATIONS   CONFERENCES   SEMINARS   VIDEO LIBRARY   PACKAGE AMSBIB     Kravchenko, O S https://www.mathnet.ru/eng/person25188 List of publications on Google Scholar https://mathscinet.ams.org/mathscinet/MRAuthorID/270959 Publications in Math-Net.Ru Citations 1991 1. O. S. Kravchenko, B. A. Khesin, “A central extension of the algebra of pseudodifferential symbols”, Funktsional. Anal. i Prilozhen., 25:2 (1991),  83–85      ; Funct. Anal. Appl., 25:2 (1991), 152–154   35 Organisations Physical Institute, Russian Academy of Sciences