Ampadu, Clement Boateng. “The $(\psi,\varphi)$-Generalized Weakly Reich Contraction Mapping Theorem”. Earthline Journal of Mathematical Sciences 14, no. 1 (November 27, 2023): 151-159. Accessed November 22, 2024. https://earthlinepublishers.com/index.php/ejms/article/view/796.