Youssef Khmou and  Said Safi,  Angle of Arrival Detection with Fifth Order Phase Operators .   journal   = {International Journal of Mathematical and Computational Sciences}, [online]. World Academy of Science, Engineering and Technology.
    July 2014, vol. 90(6). 972 - 975
    [viewed 07 May 2024]. Available from: https://publications.waset.org/pdf/9998934.