Abdulsaboor Faizi, and Mohammad Rahim Rahimi. “Application of the Drazin Inverse on the Solution of the First-Order Linear Singular Differential Equations”. Science and Education 5, no. 9 (September 29, 2024): 7–20. Accessed December 4, 2024. https://openscience.uz/index.php/sciedu/article/view/7173.