Z. A. Mohammed, M. Damak, F. S. Fadhel, and H. S. Altahainah, “Existence and Uniqueness Theorem of Multi-Dimensional Integro-Differential Equations With Fractional Differointegrations”, Babylonian Journal of Mathematics, vol. 2025, pp. 44–49, May 2025, doi: 10.58496/BJM/2025/006.