@book{1754,
	author = {Stewart, James Maitland,  and Filio López, Ernesto },
	title = {Cálculo de varias variables :},
	publisher = {Cengage Learning,},
	year = {2012.},
	address = {México :},
	edition = {7a. ed. ; editor Sergio Cervantes González},
	note = {Incluye índice}
}