1. C. Baiocchi and A. Capelo, Variational and Quasivariational Inequalities: Applications to Free Boundary Problems, John Wiley and Sons (New York, 1984).
2. E. Blum and W. Oettli, From optimization and variational inequalities to equilibrium problems, The Mathem. Stud. 63, 123 (1994).
3. I.V. Konnov, Generalized monotone equilibrium problems and variational inequalities, In: N. Hadjisavvas, S. Komlósi, and S. Schaible (Eds.), Handbook of Generalized Convexity and Generalized Monotonicity, “Nonconvex Optimization and Applications”, Vol. 76 (Springer, New York, 2005), p. 559.
4. F. Giannessi, Theorems of alternative, quadratic programs and complementarity problems, In: R.W. Cottle, F. Giannessi, and J.-L. Lions (Eds.), Variational Inequalities and Complementarity Problems (John Wiley and Sons, Chichester, 1980), p. 151.
5. R. Farquharson, Sur une généralisation de la notion d’équilibrium, Compt. Rend. Acad. Sci. Paris 240, 46 (1955).