Aoyama, K., and F. Kohsaka. 2011. “FIXED POINT AND MEAN CONVERGENCE THEOREMS FOR A FAMILY OF $\lambda$-HYBRID MAPPINGS”. Journal of Nonlinear Analysis and Optimization: Theory & Applications (JNAO) 2 (1):87-95. https://ph03.tci-thaijo.org/index.php/jnao/article/view/2618.