(NsBORNIK ZADA^ I UPRAVNENIJ PO OBYKNOWENNYM DIFFERENCIALXNYM URAWNENIQM (B:s (Nu^EBNOE POSOBIE (B/s - (NmATWEEW(B, (NnIKOLAJ mIHAJLOWI^s ((NmINSK (B:s (NwY[\J[AQ [KOLA(B,s, 1987)
Keywords: (NdIFFERENCIALXNYE URAWNENIQs