Aldan A. Sapargaliyev and  Yerbol A. Sapargaliyev,  Volume Density of Power of Multivector Electric Machine.   journal   = {International Journal of Electrical and Computer Engineering}, [online]. World Academy of Science, Engineering and Technology.
    June 2017, vol. 126(6). 743 - 746
    [viewed 25 April 2024]. Available from: https://publications.waset.org/pdf/10007686.