(NaSTRONOMIQ (B/s - (NsTREMGREN(B, (N|(B.s; (NsTREMGREN(B, (Nb(B.s ((NmOSKWA (B;s (NlENINGRAD (B:s (NgOS(B. (NIZD(B. (NTEHNIKO(B-(NTEORET(B. (NLIT(B.,s, 1941)
Keywords: (NaSTRONOMIQs