(NiZBRANNOE (B/s - (NuRMANOW(B, (NkONDRATIJ nIKIFOROWI^(B.s ((NnOWOSIBIRSK (B:s (NkN(B. (NIZD(B-(NWO(B, s)
(Nt(B. 1 (1958, 426 (NS(B.)s (Nt(B. 2 (1958 . 395 (NS(B.)s
Keywords: (NrUSSKAQ LITERATURAs