%0 Journal Article %A T. Astruc %T Existence of Regular Solutions for a One-Dimensional Simplified Perfect-Plastic Problem with a Unilateral Gradient Constraint %J Journal of convex analysis %D 1997 %P 257-28 %V 4 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/JCA_1997_4_2_a3/ %F JCA_1997_4_2_a3