@book{9625,
	author = {Féliz, Orelvis and Laurens, Ramón},
	title = {Matemáticas  2:},
	publisher = {Santillana,},
	year = {2001.},
	series = {Umbral},
	address = {Santo Domingo :},
	note = {Segundo de bachillerato, 2do. curso/primer ciclo}
}