Shehu, Y. (2012) “NEW CONVERGENCE ANALYSIS FOR COUNTABLE FAMILY OF RELATIVELY QUASI-NONEXPANSIVE MAPPINGS IN BANACH SPACES”, Journal of Nonlinear Analysis and Optimization: Theory & Applications (JNAO), 4(1), pp. 75–83. available at: https://ph03.tci-thaijo.org/index.php/jnao/article/view/2688 (accessed: 2 September 2026).