1. Nonlinear Analysis;Gasiński,2006
2. On nonlinear elliptic hemivariational inequalities of second order;Gasiński;Acta Math. Sci. Ser. B Engl. Ed.,2004
3. Nonlinear hemivariational inequalities of second order using the method of upper-lower solutions;Kourogenis;Proc. Amer. Math. Soc.,2003
4. Nonlinear nonhomogeneous Robin problems with dependence on the gradient;Bai;Bound. Value Probl.,2018
5. Existence of solutions to nonhomogeneous Dirichlet problems with dependence on the gradient;Bai;Electron. J. Differential Equations,2018