(NhIMIQ (B: s (NdLQ TEHNIKUMOW (B/s - (NwAS@^ENKO(B, (NsOFXQ iWANOWNAs ((NmOSKWA (B.s (NsOW(B. (NNAUKA(B,s, 1956)
Keywords: (NhIMIQ (B- (Nu^EBNIKI I POSOBIQs