The Improved Operational Matrices of DP-Ball Polynomials for Solving Singular Second Order Linear Dirichlet-type Boundary Value Problems. HADHRAMOUT JOURNAL OF MEDICAL SCIENCES [Internet]. 2023 Nov. 19 [cited 2026 Jul. 29];19(1). Available from: https://hu.edu.ye/hu-publications/journals/index.php/hujnas/article/view/22