(NkOLXCA (B/s - (NbOKUTX(B, (Nl(B.(Na(B.s; (NkUZXMIN(B, (Ne(B.(Nn(B.s; (NiNSTITUT MATEMATIKI so an sssrs ((NnOWOSIBIRSK (B:s (NiZD(B-(NWO IN(B-(NTA MATEMATIKI so an sssr(B,s, 1973)
(NwYP(B. 1 (1973, 45 (NS(B.)s (NwYP(B. 2 (1973, 43 (NS(B.)s (NwYP(B. 3 (1973, 72 (NS(B.)s
Keywords: (NmATEMATIKAs