Yongxin Yuan and  Jiashang Jiang,  Iterative solutions to the linear matrix equation AXB + CXTD = E.   journal   = {International Journal of Mathematical and Computational Sciences}, [online]. World Academy of Science, Engineering and Technology.
    July 2011, vol. 55(7). 1046 - 1049
    [viewed 26 January 2020]. Available from: https://publications.waset.org/pdf/12577.