(NsBORNIK ZADA^ PO FIZIKE (B:s (Nu^EBNOE POSOBIE (B/s - (NsAHAROW(B, (NdMITRIJ iWANOWI^s; (NkOSMINKOW(B, (NiWAN sERGEEWI^s ((NmOSKWA (B:s (Nu^PEDGIZ(B,s, 1950)
Keywords: (NfIZIKAs