(NsOZWU^IQ (B/s - (NbAHAREWA(B, (Nl@DMILA pETROWNAs ((NwORONEV (B:s (NcENTR(B.-(N~ERNOZEM(B. (NKN(B. (NIZD(B-(NWO(B,s, 1970)
Keywords: (NrUSSKAQ LITERATURAs