@book{95417,
	author = {Etayo, José Javier},
	title = {Conceptos y metodos de la matematica moderna},
	publisher = {Vicens-Vives},
	year = {1975, c1969.},
	series = {Manuales Vicens-Vives},
	address = {Barcelona},
	edition = {4. ed., segunda reedición.}
}