%0 Journal Article %A P.G. Ciarlet %T A New Class of Variational Problems Arising in the Modeling of Elastic Multi-Structures. %J Numerische Mathematik %D 1990 %P 547-560 %V 57 %N 6-7 %I mathdoc %U http://geodesic.mathdoc.fr/item/NUMA_1990__57_6-7_133465/ %F NUMA_1990__57_6-7_133465