Mohammed A. Abutheraa and  David Lester,  Computable Function Representations Using Effective Chebyshev Polynomial.   journal   = {International Journal of Mathematical and Computational Sciences}, [online]. World Academy of Science, Engineering and Technology.
    July 2007, vol. 7(7). 300 - 306
    [viewed 23 April 2024]. Available from: https://publications.waset.org/pdf/5501.