1. Baiocchi, C., Capelo, A.: Variational and Quasi-Variational Inequalities. Wiley, New York (1984)
2. Cottle, R.W., Giannessi, F., Lions, J.L.: Variational Inequalities and Complementarity Problems: Theory and Applications. Wiley, New York (1980)
3. Facchinei, F., Pang, J.-S.: Finite-Dimensional Variational Inequalities and Complementarity Problems, vols. I & II. Springer, Berlin (2003)
4. Giannessi, F., Maugeri, A.: Variational Inequalities and Network Equilibrium Problems. Plenum, New York (1995)
5. Kinderlehrer, D., Stampacchia, G.: An Introduction to Variational Inequalities and Their Applications. Academic Press, New York (1980)