50 [i.e. Piatʹdesiat] let osvobozhdeniia Zabaikalʹia ot belogvardeitsev i inostrannykh interventov

by A. P. Okladnikov, filologii i filosofii (Akademii︠a︡ nauk SSSR) Institut istorii, Chita (Russia). Gosudarstvennyĭ pedagogicheskiĭ institut