(NhIRURG kUPRIQNOW (B:s (No^ERK (B/s - (NdQGILEW(B, (NwLADIMIR qKOWLEWI^s ((NlENINGRAD (B:s (NlENIZDAT(B,s, 1961)
Keywords: (NkUPRIQNOW(B, (NpETR aNDREEWI^s; (NsOWETSKIE WRA^I (B- (No^ERKIs