1. Boundary value problems in elasticity with unilateral constraints;Fichera,1972
2. Inequality problems in mechanics and applications. Convex and nonconvex energy functions;Panagiotopoulos,1985
3. Topics in nonsmooth mechanics;Moreau,1988
4. Hemivariational inequalities and their applications to mechanics and engineering;Panagiotopoulos,1993
5. Stress distribution along above-ground pipelines on a frictional supporting system;Baniotopoulos;Comput. Struct.,1997