@book{228968,
	author = {Nahin, Paul J. and ebrary, Inc.},
	title = {Dr. Euler's fabulous formula},
	publisher = {Princeton University Press,},
	year = {c2006.},
	address = {Princeton, N.J. :},
	note = {First paperback printing, 2011.},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10460253}
}