(N`NOMU FIZIKU (B/s - (NsOKOLOWA(B, (NeWGENIQ nIKOLAEWNAs; (NdROVVIN(B, (N`(B.(Nn(B.s ((Nm(B. :s (Nu^PEDGIZ(B,s, 1956)
Keywords: (NiZDANIQ DLQ OPREDELENNYH KATEGORIJ ^ITATELEJs; (NfIZIKAs