(N{ELK (B- (NIZ DEREWA(B, (NKRASKI (B- (NIZ NEFTI(B... / s - (NbORODKIN(B, (NwASILIJ fEDOROWI^(B. s ((NiWANOWO (B: s (NkN(B. (NIZD(B-(NWO(B, s, 1959)
Keywords: (NhIMI^ESKAQ PROMY[LENNOSTX (B- (NiWAN(B. (NOBL(B.s