(NlINEJNYE NEODNORODNYE RAZNOSTNYE URAWNENIQ (B/s - (NmIROL@BOW(B, (NaNATOLIJ aLEKSEEWI^s; (NlEONTXEW(B, (Na(B.(Nf(B.s ((NmOSKWA (B:s (NnAUKA(B. (NgL(B. (NRED(B. (NFIZ(B.-(NMAT(B. (NLIT(B.,s, 1986)
Keywords: (NwYS[AQ MATEMATIKAs