@book{35311,
	author = {Kolman, Bernard. and Busby, Robert C.},
	title = {Estructuras de matemáticas discretas para la computacion /},
	publisher = {Prentice Hall Hispanoamericana,},
	year = {1997.},
	address = {Mexico :},
	edition = {3a ed.},
	note = {Incluye indice.}
}