Mirzakulova, A. E., Aldazharova, M. M., Moldabek, Z. T., & Aldibekov, T. M. (2017). Generalized singular exponents linear system of differential equations. Journal of Mathematics, Mechanics and Computer Science, 88(1), 47–54. Retrieved from https://bm.kaznu.kz/index.php/kaznu/article/view/329