(NuSTOJ^IWOSTX RE[ENIJ POWTORQ@]IHSQ IGR (B/s - (NkONONENKO(B, (Na(B. (Nf(B.s ((NmOSKWA (B:s (Nwc an sssr(B,s, 1990)
(NbIBLIOGR(B. : (NS(B. 17-18s
Keywords: (NiGR TEORIQs