Aboukhisheem, Aymaan S., Alham M. Al-Refai, Ahlam E. Elashegh, and Ali M. Awin. “On the Use of Green’s Functions in Solving Boundary Value Problems”. Journal of Progressive Research in Mathematics 19, no. 1 (May 6, 2022): 54-72. Accessed April 29, 2024. http://www.scitecresearch.com/journals/index.php/jprm/article/view/2141.