1. Achieser, N.I.: Theory of Approximation. Frederick Ungar, New York (1965)
2. Aussel, D.: Subdifferential Properties of Quasiconvex and Pseudoconvex Functions: Unified approach. J. Opt. Th. Appl. 97(I), 29–45 (1998)
3. Bauschke, H.H., Combettes, P.L.: Convex Analysis and Monotone Operator Theory in Hilbert Spaces. Springer, New York (2011)
4. Bauschke, H.H., Dao, M.N., Moursi, W.M.: On fejér monotone sequences and nonexpansive mappings. Linear Nonlinear Anal. 1(2), 287–295 (2015)
5. Bello Cruz, J.Y., Díaz Millán, R., Phan, H.M.: Conditional extragradient algorithms for solving constrained variational inequalities. Pacific J. Optim. 15(3), 331–357 (2019)