Rasheed, Sudad, and Abdeljalil Nachaoui. “Polynomial Approximation of a Nonlinear Inverse Cauchy Problem”. Academic Science Journal 1, no. 4 (October 10, 2023): 317–335. Accessed November 21, 2024. https://acadscij.uodiyala.edu.iq/index.php/Home/article/view/178.