@book{53967,
	author = {Stahl, Saul,},
	title = {Introductory modern algebra :},
	publisher = {Wiley,},
	year = {2013.},
	address = {Hoboken, New Jersey :},
	edition = {Second edition.},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10895755}
}