(NmATEMATI^ESKIJ ANALIZ(B. (Nw (B3-(NH ^(B. (N~(B.3.(NiNTEGRIROWANIE DIFFERENCIALXNYH URAWNENIJs - (NlQ[KO i(B.(Ni(B., (NbOQR^UK a(B.(Nk(B., (NgAJ q(B.(Ng(B.s ((NkIEWs (NwI]A [KOLAs, 1987)