@book{57800,
	author = {Ruszczyński, Andrzej P.},
	title = {Nonlinear optimization /},
	publisher = {Princeton University Press,},
	year = {c2006.},
	address = {Princeton, N.J. :},
	url = {http://www.loc.gov/catdir/enhancements/fy0654/2005049614-d.html}
}