TyrO., and DaherR. “On On the Approximation of Functions by Jacobi – Dunkl Expansion in the Weighted Space $\mathbb{L}_{2}^{(\alpha,\beta)}$”. Ukrains’kyi Matematychnyi Zhurnal 74, no. 10 (November 27, 2022): 1427 - 1440. Accessed November 21, 2024. https://umj.imath.kiev.ua/index.php/umj/article/view/6275.