(NpRIMENENIQ METODOW RE[ETA W TEORRII ^ISEL (B/s - (NhOOLI(B, (NkRISTOFERs; (N~UBARIKOW(B, (Nw(B.(Nn(B.s ((NmOSKWA (B:s (NnAUKA(B,s, 1987)
(NbIBLIOGR(B.: (NS(B. 128-131s
Keywords: (N~ISEL TEORIQs