A.M. Plechanov (16.10.1931-13.01.2022, Moskva) pamjati istorika = A.M. Plekhanov (10/16/1931-01/13/2022, Moscow) : in memory of a historian - Izmozik, Vladlen Semenovič 1938-; Poltorak, Sergej Nikolaevič 1955- (2022)