@book{822,
	author = {Stewart, James.},
	title = {Cálculo de una variable :},
	publisher = {Cengage learning,},
	year = {2018},
	address = {México :},
	edition = {8 edición.},
	url = {https://itmsp.museknowledge.com/UOH?qurl=https://libros-uoh.uoh.cl/ESCUELADEEDUCACION/PEDAGOGIAMATEMATICA/Calculodeunavariable/}
}