@book{170356,
	author = {Rassias, John Michael. and ebrary, Inc.},
	title = {Functional equations, difference inequalities, and Ulam stability notions (F.U.N.)},
	publisher = {Nova Science Publishers,},
	year = {c2010.},
	series = {Mathematics research developments series},
	address = {New York :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10661608}
}