(NlOGIKO(B-(NMETODOLOGI^ESKIE ISSLEDOWANIQ (B/s - (NsTAR^ENKO(B, (Na(B.(Na(B.s ((NmOSKWA (B:s (NiZD(B-(NWO mOSK(B. (NUN(B-(NTA(B,s, 1980)
Keywords: (NlOGIKAs