Akhadkulov, Habibulla, Fahad Alsharari, and Teh Yuan Ying. “Applications of Krasnoselskii-Dhage Type Fixed-Point Theorems to Fractional Hybrid Differential Equations”. Tamkang Journal of Mathematics 52, no. 2 (April 29, 2021): 281–292. Accessed April 24, 2024. https://journals.math.tku.edu.tw/index.php/TKJM/article/view/3330.