(NpOSLEDNIJ nOWIK (B:s (NrOMAN (B/s - (NlAVE^NIKOW(B, (NiWAN iWANOWI^s ((NgORXKIJ (B:s (NwOLGO(B-(NwQT(B. (NKN(B. (NIZD(B-(NWO(B,s, 1990)
Keywords: (NrOSSIQ(B, 18 (NW(B. ((NH(B. (NL(B.)s