TY - BOOK AU - Motreanu,D & Panagiotopoulos,P.D ED - Panagiotopoulos, P.D TI - Minimax theorems & qualitative properties of the solutions of hemivariational inequalities T2 - Nonconvex optimization & its applications 29 SN - 9780792354567 U1 - 4.13+15.01 PY - 1999/// CY - Dordrecht PB - Kluwer Academic ER -