@book{228908,
	author = {Robert T. Smith},
	title = {Cálculo de varias variables. Trascendentes Tempranas., 5th Edition},
	publisher = {McGraw-Hill Interamericana,},
	year = {2019},
	address = {Mexico :},
	edition = {fifth edition},
	url = {https://resolver.vitalsource.com/9781456269920}
}