@book{285,
	author = {"Epp, Susanna S."},
	title = {Discrete mathematics with applications},
	publisher = {Brooks/Cole Publishing},
	address = {Pris },
	edition = {2ND},
	url = {https://libgen.is/book/index.php?md5=F65BC962902FBF238BB5D2684785EA65}
}