(NpRI ZAGADO^NYH OBSTOQTELXSTWAH (B/s - (N~ERNENOK(B, (NmIHAIL qKOWLEWI^s ((NnOWOSIBIRSK (B:s (NzAP(B.-(NsIB(B. (NKN(B. (NIZD(B-(NWO(B,s, 1979)
Keywords: (NuGOLOWNYJ ROZYSK (B((NH(B. (NL(B.)s