@book{93346,
	author = {Bambi, Cosimo, and Benavides-Gallego, Carlos Albertho,},
	title = {Introducción a la relatividad general :},
	publisher = {Editorial Reverté,},
	year = {[2021]},
	address = {Barcelona :},
	url = {https://login.zproxy.cun.edu.co/login?url=https://www.digitaliapublishing.com/a/110599/}
}