@book{56687,
	author = {Dienes, Z. P. and Azcárate, Carmen.},
	title = {Grupos y coordenadas / },
	publisher = {Teide, },
	year = {[1970]},
	series = {La geometría a través de las transformaciones},
	address = {Barcelona : },
	edition = {[1ª ed.].}
}