(NuNIWERSALXNAQ ALGEBRA(B, (NALGEBRAI^ESKAQ LOGIKA I BAZY DANNYH (B/s - (NpLOTKIN(B, (NbORIS iSAAKOWI^s ((NmOSKWA (B:s (NnAUKA(B,s, 1991)
(NbIBLIOGR(B.: (NS(B. 435-442 (198 (NNAZW(B.)s
(NpREDM(B. (NUKAZ(B.: (NS(B. 443-446s
Keywords: (NaLGEBRA LOGIKIs; (NbAZY DANNYHs; (NmATEMATI^ESKOE MODELIROWANIEs