TYR, O.; DAHER, R. On On the approximation of functions by Jacobi – Dunkl expansion in the weighted space $\mathbb{L}_{2}^{(\alpha,\beta)}$. Ukrains’kyi Matematychnyi Zhurnal, v. 74, n. 10, p. 1427 - 1440, 27 Nov. 2022.