@book{35270,
	author = {Heyd, David E.},
	title = {Guia de cálculo :},
	publisher = {McGraw-Hill,},
	year = {1993.},
	series = {Serie de compendios Schaum},
	address = {Mexico :},
	edition = {3a ed.},
	note = {Titulo original. Study and solutions guite to accompany calculus.}
}