(NwQ^ESLAW pETROWI^ wOLGIN (B/ s - (NaSAFOWA(B, (NnATALXQ mIHAJLOWNAs ((NmOSKWA (B:s (NiZD(B-(NWO an sssr(B,s, 1954)
Keywords: (NpETROWI^ wOLGIN(B, (NwQ^ESLAW pETROWI^ s; (NiSTORI^ESKAQ NAUKA W rOSSIIs