%0 Journal Article %A Castellani, M. %A Pappalardo, M. %T Local cone approximations in optimization %J Control and Cybernetics %D 2007 %P 583-600 %V 36 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/CC_2007_36_3_a7/ %G en %F CC_2007_36_3_a7