(NkURS FIZIKI (B:s (Nu^EBNOE POSOBIE (B/s - (NpUTILOW(B, (NkONSTANTIN aNATOLXEWI^s ((NmOSKWA (B:s (Nu^PEDGIZ(B,s, 1940)
(Nt(B. 1 (1940; 431 (NS(B.) :s
Keywords: (NfIZIKAs