(NiNTEGRALXNOE IS^ISLENIE (B/s - (NlUZIN(B, (NnIKOLAJ nIKOLAEWI^ s ((NlENINGRAD (B: s (NgIDROMETEOIZDAT(B, s, 1960)
Keywords: (NgEODEZIQ (B- (Nu^EBNIKI I POSOBIQs