@book{92058,
	author = {Körner, Stephan},
	title = {Introducción a la filosofía de la matemática},
	publisher = {Siglo Veintiuno Editores},
	year = {1969.},
	series = {Filosofía},
	address = {México},
	edition = {2. ed.},
	note = {Translation of The philosophy of mathematics, an introductory essay.}
}