@book{22276,
	author = {Chumacero, Rómulo A. and e-libro, Corp.},
	title = {Se busca una raíz unitaria},
	publisher = {Universidad de Chile,},
	year = {2000.},
	address = {Santiago (Chile) :},
	url = {https://elibro.net/ereader/politecnicointernacional/9372}
}