Refahi Sheikhani, Amir Hosein, and Mahamad Mashoof. “A Collocation Method for Solving Fractional Order Linear System”. Journal of the Indonesian Mathematical Society 23, no. 1 (December 24, 2017): 27–42. Accessed April 25, 2024. https://jims-a.org/index.php/jimsa/article/view/257.