1. Y. I. Alber, Metric and generalized projections in Banach spaces: Properties and applications. In: Theory and Applications of Nonlinear Operators of Accretive and Monotone Type (A. G. Kartsatos, ed.), Marcel Dekker, New York, 1996, 15–50.
2. Alber Y.I., Reich S.: An iterative method for solving a class of nonlinear operator equations in Banach spaces. Panamer. Math. J. 4, 39–54 (1994)
3. Aoyama K., Kimura Y., Takahashi W.: Maximal monotone operators and maximal monotone functions for equilibrium problems. J. Convex Anal. 15, 395–409 (2008)
4. Blum E., Oettli W.: From optimization and variational inequalities to equilibrium problems. Math. Student 63, 123–145 (1994)
5. Combettes P.L., Hirstoaga A.: Equilibrium programming in Hilbert spaces. J. Nonlinear Convex Anal. 6, 117–136 (2005)