%0 Journal Article %A J.-B. Hiriart-Urruty %T Lipschitz r-continuity of the approximative subdifferential of a convex function. %J Mathematica Scandinavica %D 1980 %P 123-134 %V 47 %I mathdoc %U http://geodesic.mathdoc.fr/item/MS2_1980__47_166716/ %F MS2_1980__47_166716