@book{44833,
	author = {Maurer, Stephen B. and Ralston, Anthony},
	title = {Discrete algorithmic mathematics},
	publisher = {CRC press},
	year = {2004},
	address = {Estados Unidos de América :},
	edition = {3},
	note = {Incluye índice},
	url = {http://biblioteca.unac.edu.co/portadas/54832.jpg}
}