@book{24345,
	author = {Taliaferro, R. Catesby, tr.},
	title = {Conics : Apollonius of perga},
	note = {En: Euclid archimedes apollonius of perga nicomachus, tomo 11 / ed. Robert Maynard Hutchins. Chicago : Enciclopedia Britanica Inc., 1987}
}