(NsBORNIK ZADA^ PO OBYKNOWENNYM DIFFERENCIALXNYM URAWNENIQM (B:s (Nu^EBNOE POSOBIE (B/s - (NkRASNOW(B, (NmIHAIL lEONTXEWI^s; (NkISELEW(B, (NaLEKSANDR iWANOWI^s; (NmAKARENKO(B, (NgRIGORIJ iWANOWI^s ((NmOSKWA (B:s (NwYS[AQ [KOLA (B,s, 1978)
Keywords: (NdIFFERENCIALXNYE URAWNENIQs