Eslamian, M., and S. Homaeipour. “STRONG CONVERGENCE OF THREE-STEP ITERATIVE PROCESS WITH ERRORS FOR THREE MULTIVALUED MAPPINGS”. Journal of Nonlinear Analysis and Optimization: Theory & Applications 2, no. 2 (December 21, 2011): 285-293. Accessed October 25, 2021. http://www.math.sci.nu.ac.th/ojs302/index.php/jnao/article/view/58.