References
- Fučik , S. and Kufner , A. 1980 . “ Nonlinear differential equations ” . In Elsevier Scient. Publ. Comp Amsterdam-Oxford-New York
- Hasanov , A. 2000 . Qualitative behaviour of solutions of unilateral elliptic problems with perturbing the unknown boundary : I. The theory . Appl. Math. Comp , 109 : 249 – 260 .
- Hasanov , A. and Seyidmamedov , Z. 2000 . Qualitative behaviour of solutions of Signorini problem with perturbing the unknown boundary : II. The Multigrid method . Appl. Math. Comp , 109 : 261 – 271 .
- Haugazeau , Y. 1967 . Sur des inéquations variationnelles . C. R. Acad. Sci. Paris , 265 : 95 – 98 .
- Kawohl , B. 1979 . On a mixed Signorini problem . Numer. Funct. Anal. and Optimz , 1 ( 6 ) : 633 – 645 .
- Kinderlehrer , D. and Stampacchia , G. 1980 . An introduction to variational inequalities and their applications , New York : Academic press .
- Lions , J.L. 1969 . Quelques methodes de resolution des problèmes aux limites nonlinéaires , Paris : Dunod .
- Schmitz , H. and Schneider , G. 1993 . Boundary element solution of the Dirichlet-Signorini problem by a penalty method . Appl. Analy , 51 : 175 – 186 .
- Schumann , R. 1989 . Regularity for Signorini's problem in linear Elasticity . Manuscripta Math , 63 ( 3 ) : 255 – 291 .