(NkAK PROIZO[EL ^ELOWEK (B/s - (NgREMQCKIJ(B, (NmIHAIL aNTONOWI^s ((NmOSKWA (B:s (NiZD(B. (NmOSKOWSKOGO UNIWERSITETA(B,s, 1954)
Keywords: (N~ELOWEKs