@book{13213,
	author = {Rao, S. S.},
	title = {Optimization :},
	publisher = {Halsted Press,},
	year = {1984.},
	address = {[S.l.] :},
	edition = {2nd ed.},
	url = {http://www.amazon.com/exec/obidos/ASIN/0470274832/chopaconline-20}
}