Karapinar, E. and Nashine, H. K. (2013) “FIXED POINT THEOREMS FOR KANNAN TYPE CYCLIC WEAKLY CONTRACTIONS”, Journal of Nonlinear Analysis and Optimization: Theory & Applications (JNAO), 4(1), pp. 29–35. available at: https://ph03.tci-thaijo.org/index.php/jnao/article/view/2682 (accessed: 2 September 2026).