(NpRAKTIKANTKA (B/s - (NmAHNEWA(B, (NlINA aLEKSEEWNAs ((NhABAROWSK (B:s (NkN(B. (NIZD(B-(NWO(B,s, 1962)
Keywords: (NrABO^AQ MOLODEVX W sssr (B((NH(B. (NL(B.)s