(NmATEMATI^ESKIE PROBLEMY RELQTIWISTSKOJ FIZIKI (B/s - (NsIGAL(B, (Ni(B.s; (NbUSLAEW(B, (Nw(B.(Ns(B.s; (NfADDEEW(B, (Nl(B.(Nd(B.s ((NmOSKWA (B:s (NmIR(B,s, 1968)
Irving E. Segal-
Keywords: (NfIZIKAs