%0 Journal Article %A Addou, Ahmed %A Mermri, E. Bekkaye %A Zahi, Jamal %T Regularization of an unilateral obstacle problem %J ESAIM: Mathematical Modelling and Numerical Analysis %D 2001 %P 935-943 %V 35 %N 5 %I EDP-Sciences %U http://geodesic.mathdoc.fr/item/M2AN_2001__35_5_935_0/ %G en %F M2AN_2001__35_5_935_0