Almalahi, Mohammed A., and Satish. K Panchal. “Some Existence and Stability Results for ψ-Hilfer Fractional Implicit Differential Equation With Periodic Conditions: ψ-Hilfer Fractional Implicit Differential Equation”. Journal of Mathematical Analysis and Modeling 1, no. 1 (December 3, 2020): 1–19. Accessed October 10, 2025. https://sabapub.com/index.php/jmam/article/view/4.