(NpQTXSOT WESELYJ (B:s (NpOWESTX (B/s - (NlEW^ENKO(B, (NaNATOLIJ aRSENTXEWI^s ((NsWERDLOWSK (B:s (NsRED(B.-(NuRAL(B. (NKN(B. (NIZD(B-(NWO(B,s, 1979)
Keywords: (NmOLODEVX W sssr (B((ND(B. (NL(B.)s