@book{3008,
	author = {Bonnans, J. F.},
	title = {Numerical optimization :},
	publisher = {Springer,},
	year = {c2006.},
	series = {Universitext},
	address = {Berlin ;},
	edition = {2nd ed.},
	url = {http://www.loc.gov/catdir/enhancements/fy0825/2006930998-b.html}
}