@book{502,
	author = {Zegarra A., Luis. and Ortega Wiedmaier, Patricia, },
	title = {Algebra lineal /},
	publisher = {McGraw-Hill,},
	year = {2001.},
	address = {Santiago (Chile) :},
	edition = {Editora Patricia Ortega Wiedmaier.},
	note = {Incluye índice.}
}