(N|LEMENTY SIMWOLI^ESKOJ LOGIKI (B/s - (N~UPIN(B, (Np(B.(Np(B.s; (NuRALXSKIJ GOSUDARSTWENNYJ UNIWERSITET IM(B. (Na(B.(Nm(B. (NgORXKOGOs ((NsWERDLOWSK (B:s (NiZD(B-(NWO uRAL(B. (NGOS(B. (NUN(B-(NTA(B,s, 1974)
Keywords: (NlOGIKAs