1. , Les inéquations en mécanique et en physique, Dunod, Paris, 1972.
2. , An introduction to variational inequalities and their applications, Academic Press, 1980.
3. Quasistatic c;Han,2002
4. Handbook or N;Haslinger,1996
5. , Contact problems in elasticity: a study of variational inequalities and finite element methods, SIAM, Philadelphia, 1988.