@book{65131,
	author = {Escudero, Rafael and Escudero, Rafael},
	title = {Matemáticas básicas (4a ed.)},
	publisher = {Universidad del Norte, },
	year = {2015},
	address = {[Bogotá, Colombia] :},
	url = {https://public.digitaliapublishing.com/a/40671}
}