@book{147185,
	author = {Gigon, Olof. and Schnaith, Nelly,},
	title = {Problemas fundamentales de la filosofía antigua},
	publisher = {Compañía General Fabril Editora,},
	year = {1962.},
	series = {Biblioteca de Filosofía.},
	address = {Buenos Aires :},
	edition = {1a ed.}
}