Hozan Hilmi, Rebaz Fadhil Mahmood, and Siyaman Sidiq Hama. “Existence and Uniqueness of Solution for Boundary Value Problem of Fractional Order”. Tikrit Journal of Pure Science 29, no. 2 (April 25, 2024): 79–85. Accessed August 2, 2025. https://tjpsj.org/index.php/tjps/article/view/1562.