@book{7971,
	author = {Stewart, Ian, and Tall, David Orme,},
	title = {The foundations of mathematics /},
	publisher = {Oxford University Press,},
	year = {1977.},
	address = {Oxford ;},
	note = {Includes index.},
	url = {http://www.loc.gov/catdir/enhancements/fy0637/78315163-t.html}
}