@book{26619,
	author = {Barnett, Raymond A. and Uribe Calad, Julio A.},
	title = {Algebra y geometria 1 /},
	publisher = {McGraw Hill-Interamericana,},
	year = {1988.},
	address = {Bogotá :},
	edition = {2a ed.},
	note = {Incluye indice.}
}