1. 1. Baiocchi, C., and Capelo, A., Variational and Quasivariational Inequalites: Applications to Free Boundary Problems, John Wiley and Sons, New York, NY, 1984.
2. 2. Blum, E., and Oettli, W., From Optimization and Variational Inequalities to Equilibrium Problems, Mathematics Student, Vol. 63, pp. 123–145, 1994.
3. 3. Hadjisavvas, N., and Schaible, S., Quasimonotonicity and Pseudomonotonicity in Variational Inequalities and Equilibrium Problems, Generalized Convexity, Generalized Monotonicity, Edited by J. P. Crouzeix, J. E. Martinez-Legaz, and M. Volle, Kluwer Academic Publishers, Dordrecht, Netherlands, pp. 257–275, 1998.
4. 4. Demyanov, V. F., and Pevnyi, A. B., Numerical Methods for Finding Saddle Points, USSR Computational Mathematics and Mathematical Physics, Vol. 12, pp. 11–52, 1972.
5. 5. Golshtein, E. G., and Tretyakov, N. V., Augmented Lagrange Functions, Nauka, Moscow, 1989 (in Russian).