(NoNI NE UJDUT (B/s - (NbELOUSOW(B, (NaLEKSANDR iWANOWI^s ((NpERMX (B:s (NpERM(B. (NKN(B. (NIZD(B-(NWO(B,s, 1967)
Keywords: (NuRAL (B- (NiSTORIQ (B((NH(B. (NL(B.)s