@book{108308,
	author = {Puga Peña, Luis Alberto,},
	title = {Cálculo diferencial /},
	publisher = {Editorial Universitaria UTE,},
	year = {2020.},
	address = {Quito, Ecuador :},
	edition = {Primera edición.},
	url = {https://login.zproxy.cun.edu.co/login?url=https://www.digitaliapublishing.com/a/160261/}
}