@book{10528,
	author = {Gupta, Anjana.},
	title = {Discrete Mathematics /},
	publisher = {S. K. Kataria & Sons (Publishers),},
	year = {2004. },
	address = {[S.l.] :},
	url = {http://www.amazon.com/exec/obidos/ASIN/B0072DNS8E/chopaconline-20}
}