@book{150931,
	author = {Oberste-Vorth, Ralph W. and Mouzakitis, Aristides. and ebrary, Inc.},
	title = {Bridge to abstract mathematics},
	publisher = {Mathematical Association of America,},
	year = {2012.},
	address = {[Washington, D.C.] :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10733069}
}