@book{6337,
	author = {Zawaira, Alexander. and Hitchcock, Gavin. and ebrary, Inc.},
	title = {A primer for mathematics competitions},
	publisher = {Oxford University Press,},
	year = {2008.},
	series = {Oxford mathematics},
	address = {Oxford ;},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10272817}
}