%0 Journal Article %A Saadi, Abderachid %T Continuity of the free boundary in elliptic problems with Neumann boundary condition %J Electronic Journal of Differential Equations %D 2015 %V 2015 %I mathdoc %U http://geodesic.mathdoc.fr/item/EJDE_2015__2015__a83/ %G en %F EJDE_2015__2015__a83