(NkURS NEBESNOJ MEHANIKI (B/s - (NsUBBOTIN(B, (NmIHAIL(B.(NfEDOROWI^s ((NlENINGRAD (B;s (NmOSKWA (B:s (NgOSTEHIZDAT (B,s, 1941)
(Nt(B. 1 (1941; 344 (NS(B.) s
Keywords: (NnEBESNAQ MEHANIKA (B- (Nu^EBNIKI I POSOBIQs