/(NaLXBOM (B/s - (NgREKU(B, (NmIHAIL gRIGORXEWI^s; (NkOSTINA(B, (Ne(B.s ((NmOSKWA (B:s (NsOW(B. (NHUDOVNIK(B,s, 1969)
Keywords: (NgREKU(B, (NmIHAIL gRIGORXEWI^s; (NrUSSKAQ VIWOPISXs