@book{321537,
	author = {Frege, Gottlob and Ebert, Philip A.},
	title = {Basic laws of arithmetic, derived using concept-script},
	publisher = {Oxford University Press},
	year = {2013},
	address = {Oxford, Reino Unido},
	note = {Bibliografía Básica - Escuela de Ciencias Humanas - Pregrado en Filosofía}
}