@book{58439,
	author = {Angel, Allen R. and Palmas Velasco, Oscar Alfredo},
	title = {Algebra elemental },
	publisher = { : Prentice-Hall Hispanoamericana},
	year = {, 1994},
	address = {México},
	edition = {3a edición},
	note = {Incluye: índice (pp. 495-499)}
}