%0 Journal Article %A G. Buttazzo %A V. J. Mizel %T On a Gap Phenomenon for Isoperimetrically Constrained Variational Problems %J Journal of convex analysis %D 1995 %P 087-102 %V 2 %N 1-2 %I mathdoc %U http://geodesic.mathdoc.fr/item/JCA_1995_2_1-2_a5/ %F JCA_1995_2_1-2_a5