1. Y. Alber, I. Ryazantseva, Nonlinear Ill Posed Problems of Monotone Type (Springer, London, 2006)
2. R.P. Agarwal, D. O’Regan, D.R. Sahu, Fixed Point Theory and Its Applications (Springer, New York, NY, 2009)
3. Y. Alber, Metric and Generalized Projection Operators in Banach Space: Properties and Applications in Theory and Applications of Nonlinear Operators of Accretive and Monotone Type, ed. by A.G. Kartsatos (Marcel Dekker, New York, 1996), pp. 15–50
4. Y. Alber, Generalized projection operators in Banach space: properties and applications. Funct. Differ. Equa. 1(1), 1–21 (1994)
5. Y. Alber, S. Guerre-Delabiere, On the projection methods for fixed point problems. Analysis (Munich) 21(1), 17–39 (2001)