@book{8108,
	author = {ZILL, DENNIS G. and CULLEN, MICHAEL R.},
	title = {ECUACIONES DIFERENCIALES CON PROBLEMAS DE VALORES EN LA FRONTERA/ },
	publisher = {THOMSON},
	year = {\\\\},
	address = {MEXICO: },
	edition = {5},
	note = {INCLUYE INDICE.}
}