1. Alber YI: Metric and generalized projection operators in Banach spaces: properties and applications. In Theory and Applications of Nonlinear Operators of Accretive and Monotone Type. Edited by: Kartsatos AG. New York: Marcel Dekker; 1996:15-50.
2. Alber YI, Reich S: An iterative method for solving a class of nonlinear operator equations in Banach spaces. Panamer Math J 1994, 4: 39-54.
3. Ball K, Carlen EA, Lieb EH: Sharp uniform convexity and smoothness inequalities for trace norm. Invent Math 1994, 26: 137-150.
4. Beauzamy B: Introduction to Banach spaces and their Geometry. Amsterdam: Noth Holland; 1985.
5. Blum E, Oettli W: From optimization and variational inequalities to equilibrium problems. Math Student 1994, 63: 123-145.