@book{5556,
	author = {Borowski, E. J. and Borwein, Jonathan M.},
	title = {The HarperCollins dictionary of mathematics /},
	publisher = {HarperPerennial,},
	year = {c1991.},
	address = {New York, N.Y. :},
	note = {Spine title: Mathematics.},
	url = {http://www.loc.gov/catdir/description/hc044/90055995.html}
}