@book{28836,
	author = {Edwards, C. Henry and Penney, David E.},
	title = {Ecuaciones Diferenciales y Problemas con Valores en la Frontera: Cómputo y Modelado /},
	publisher = {Pearson Educación,},
	year = {2009.},
	address = {México :},
	edition = {4.}
}