@book{108309,
	author = {Chadrina, Olga,},
	title = {Funciones y límites de una variable /},
	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/160262/}
}