(NsBORNIK NAU^NYH TRUDOW (B/s - (NcENTRALXNYJ NU^NO(B-(NISSLEDOWATELXSKIJ INSTITUT SWQZI s ((NmOSKWA(B.s (NsWQZXIZDAT(B,s, 1948)
Keywords: (N|LEKTROTEHNIKAs