WASET
    Guoyuan Qi  and  Yskandar Hamam and  Barend Jacobus van Wyk and  Shengzhi Du,  Model-free Prediction based on Tracking Theory and Newton Form of Polynomial.   journal   = {International Journal of Electronics and Communication Engineering}, [online]. World Academy of Science, Engineering and Technology.
    July 2011, vol. 55(7). 887 - 894
    [viewed 29 March 2024]. Available from: https://publications.waset.org/pdf/1355.