WASET
    S. Seyedtabaii and  E. Seyedtabaii,  A Study on the Least Squares Reduced Parameter Approximation of FIR Digital Filters.   journal   = {International Journal of Electronics and Communication Engineering}, [online]. World Academy of Science, Engineering and Technology.
    January 2008, vol. 13(1). 17 - 19
    [viewed 19 April 2024]. Available from: https://publications.waset.org/pdf/15005.