The Approximation of Weighted Hölder Functions by Fourier-Jacobi Polynomials to the Singular Sturm-Liouville Operator. Baghdad Sci.J [Internet]. 2022 Dec. 1 [cited 2025 Jun. 5];19(6):1387. Available from: https://bsj-ojs.uobaghdad.edu.iq/index.php/BSJ/article/view/6128