Butrus R, D. Saleem H, H. Sallo A. Existence and Unity of the Solution of Integral-Linear Differential Equations with Fractional Ranks Using the Fixed Point Banach Theorem. JES [Internet]. 2019 Aug. 14 [cited 2025 Sep. 10];18(4):124-37. Available from: https://edusj.uomosul.edu.iq/index.php/edusj/article/view/42151