(NpROMY[LENNYE OTHODY I OKRUVA@]AQ SREDA (B/s - (NmELE[KIN(B, (NmIHAIL tIMOFEEWI^s; (NsTEPANOW(B, (NwQ^ESLAW nIKOLAEWI^s ((NkIEW (B:s (NnAUKOWA DUMKA(B,s, 1980)
(Nw NADZAG(B.: (Nan ussr(B, (NoDES(B. (NOTD(B-(NNIE iN(B-(NTA \KONOMIKIs
Keywords: (NoHRANA OKRUVA@]EJ SREDYs; (NpROMY[LENNYE OTHODY (B- (NiSPOLXZOWANIEs