@book{37461,
	author = {Salkind, Charles T. and ebrary, Inc.},
	title = {The contest problem book},
	publisher = {Mathematical Association of America,},
	year = {1966.},
	series = {The Anneli Lax new mathematical library ;},
	address = {Washington, D.C. :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10729379}
}