Tao Dai and  Andy Adler and  Behnam Shahrrava,  Variable Step-Size Affine Projection Algorithm With a Weighted and Regularized Projection Matrix.   journal   = {International Journal of Computer and Information Engineering}, [online]. World Academy of Science, Engineering and Technology.
    February 2008, vol. 14(2). 338 - 345
    [viewed 26 October 2021]. Available from: https://publications.waset.org/pdf/1857.