%0 Journal Article %A V. Chiado Piat %A F. Serra Cassano %T Some Remarks About the Density of Smooth Functions in Weighted Sobolev Spaces %J Journal of convex analysis %D 1994 %P 135-142 %V 1 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/JCA_1994_1_2_a1/ %F JCA_1994_1_2_a1