@book{85824,
	author = {León, Manuel de, and Timón, Ágata,},
	title = {La engañosa sencillez de los triángulos :},
	publisher = {Catarata :},
	year = {[2017]},
	series = {Colección Miradas matemáticas ;},
	address = {Madrid :},
	url = {https://login.zproxy.cun.edu.co/login?url=https://www.digitaliapublishing.com/a/81084/}
}