(NkURSK (B:s ((NkURSK (B:s (NkURSKOE KN(B. (NIZD(B-(NWO(B,s, 1957)
(NbIBLIOGR(B. (NW PRIME^(B.: (NS(B. 232-250s
Keywords: (NiSTORIQ rOSSIIs; (NkURSK (B- (NiSTORIQs