(NfIZIKA (B:s (Nu^EBNOE POSOBIE DLQ SRED(B. (NSPEC(B. (NU^EBNYH ZAWED(B. /s - (NpERY[KIN(B, (NaLEKSANDR wASILXEWI^s; (NtRETXQKOW(B, (NnIKOLAJ pETROWI^s ((NmOSKW(Ba :s (NtRUDREZERWIZDAT(B,s, 1959)
Keywords: (NfIZIKAs