(NpRILOVENIQ GRUPP lI K DIFFERENCIALXNYM URAWNENIQM (B:/s - (NoLWER(B, (NpITERs; (N}ERBAK(B, (Ni(B.(Ng(B.s; (N{ABAT(B, (Na(B.(Nb(B.s ((NmOSKWA (B:s (NmIR(B,s, 1989)
Keywords: (NdIFFERENCIALXNYE URAWNENIQs