Karichery, Deepa, and Shaini Pulickakunnel. “FG-Coupled Fixed Point Theorems for Contractive and Generalized Quasi-Contractive Mappings”. Sarajevo Journal of Mathematics 19, no. 2 (January 24, 2024): 141–154. Accessed April 21, 2026. https://sjm.ba/index.php/sjm/article/view/144.