@book{80000,
	author = {Steele, J. Michael. and ebrary, Inc.},
	title = {The Cauchy-Schwarz master class},
	publisher = {Cambridge University Press,},
	year = {2004.},
	series = {MAA problem books series},
	address = {Cambridge, UK ;},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10131594}
}