(NdISKRETNYE PODGRUPPY GRUPP lI (B:s (NpER(B. (NS ANGL(B. /s - (NrAGUNATAN(B, (Nm(B.s; (N{WARCMAN(B, (No(B.(Nw(B.s; (NwINBERG(B, (N|(B.(Nb(B.s ((NmOSKWA (B:s (NmIR(B,s, 1977)
Keywords: (NmATEMATIKAs