1. A note on duality for von Karman plates in the case of the obstacle problem;Bielski;Arch. Mech.,1985
2. Problemes unilateraux dans la theorie de la flexion forte des plaques;Duvaut;J. Méc.,1974
3. Inequalities in Mechanics and Physics;Duvant,1976
4. Convex Analysis and Variational Problems;Ekeland,1976
5. Weak and Variational Methods for Moving Boundary Problems;Elliott,1982