@book{99938,
	author = {Agnew, Ralph Palmer},
	title = {Ecuaciones diferenciales},
	publisher = {Centro Regional de Ayuda Tecnica, Agencia Para el Desarrollo Internacional (A.I.D.)},
	year = {1968.},
	address = {Mexico},
	edition = {1st ed. en Espanol.},
	note = {Translation of Differential equations, New York, McGraw-Hill.}
}