@book{38568,
	author = {Chaves, Norberto, and Cátedras Coordinadas,},
	title = {Espacio-tiempo :},
	publisher = {Nobuko,},
	year = {[2009]},
	series = {Seminarios},
	address = {Buenos Aires, Argentina :},
	url = {https://login.zproxy.cun.edu.co/login?url=https://www.digitaliapublishing.com/a/34245/}
}