@book{4580,
	author = {Lipschutz, Seymour. and Lipson, Marc.},
	title = {Schaum's Outlines of Discrete Mathematics},
	publisher = {McGraw-Hill,},
	year = {2009.},
	address = {[S.l.] :},
	edition = {3rd ed.},
	url = {http://10.10.170.122:8080/browse/book/5266}
}