@book{30438,
	author = {Ulloa Cuéllar, Ana Lilia.},
	title = {El problema de los universales en la época realista de Bertrand Russell  / },
	publisher = {Universidad Veracruzana,},
	year = {1991.},
	address = {Veracruz, México :},
	edition = {1a. ed.},
	note = {Biblioteca Luis Villoro}
}