(NuNIWERSALXNAQ PILA (B/s - (NsTEPI^EW(B, (NnIKOLAJ mATWEEWI^(B.s ([(NhARXKOW(B] : s (NhARXK(B. (NKN(B.-(NGAZ(B. (NIZD(B-(NWO(B, s, 1951)
Keywords: (NpILY UNIWERSALXNYEs