Srivastava, R., and Yamini Singh. “A (0;0,2) Interpolation Method to Approximate Functions via Ultraspherical Polynomials”. The Journal of the Indian Mathematical Society 87, no. 3-4 (July 1, 2020): 276–288. Accessed November 7, 2024. https://informaticsjournals.co.in/index.php/jims/article/view/25454.