(NuPAKOWKI [AROW(B, (NRE[ETKI I GRUPPY (B:s (Nw (B2 (NT(B. : (NpER(B. (NS ANGL(B. /s - (NkONWEJ(B, (NdVONs; (NsLO\N(B, (NnILs; (NbANNAI(B, (N|(B.s ((NmOSKWA (B:s (NmIR(B,s, 1990)
(Nt(B. 1 (1990, 415 (NS(B.)s (Nt(B. 2 (1990, 792 (NS(B.)s
Keywords: (NgRUPPY (B((NMAT(B.)s; (NrAZME]ENIQ ZADA^As; (NrE[ETKI (B((NMAT(B.)s