1. Hemivariational Inequalities: Applications in Mechanics and Engineering;Panagiotopoulos,1993
2. Mathematical Theory of Hemivariational Inequalities and Applications;Naniewicz,1995
3. Nonlinear Functional Analysis and Its Applications, vols. II A/B;Zeidler,1990
4. Nonlinear Inclusions and Hemivariational Inequalities: Models and Analysis of Contact Problems;Migórski,2013
5. Inequality Problems in Mechanics and Applications, Convex and Nonconvex Energy Functions;Panagiotopoulos,1985