1. Nonconvex problems of semipermeable media and related topics;Panagiotopoulos;ZAMM Z Angew Math Mech,1985
2. Hemivariational inequalities, applications in mechanics and engineering;Panagiotopoulos,1993
3. Optimization and nonsmooth analysis;Clarke,1983
4. Nonlinear inclusions and hemivariational inequalities. Models and analysis of contact problems;Migórski,2013
5. Numerical analysis of elliptic hemivariational inequalities;Han;SIAM J Numer Anal,2017