@book{147578,
	author = {Urwin, Kathleen M. and Martín Peinador, Elena.},
	title = {Cálculo superior y teoría del vector-campo / },
	publisher = {Alhambra, },
	year = {[1969]},
	series = {Exedra ; },
	address = {Madrid : },
	edition = {[1ª ed.].}
}