@book{40370,
	author = {Lipschutz, Seymour and Lipson, Marc},
	title = {Schaum's outline of discrete mathematics /},
	publisher = {Schaum ;},
	year = {c2007},
	series = {Schaum's outline series},
	address = {New York :},
	edition = {3rd ed},
	note = {Includes index}
}