@book{5214,
	author = {Zill, Dennis G. and Filio López, Ernesto },
	title = {Ecuaciones diferenciales con aplicaciones de modelado /},
	publisher = {Cengage Learning,},
	year = {2002.},
	address = {México :},
	edition = {7a. ed. },
	note = {Incluye índice}
}