Minghui Wang and  Luping Xu and  Juntao Zhang,  Conjugate Gradient Algorithm for the Symmetric Arrowhead Solution of Matrix Equation AXB=C.   journal   = {International Journal of Mathematical and Computational Sciences}, [online]. World Academy of Science, Engineering and Technology.
    January 2016, vol. 119(11). 593 - 596
    [viewed 19 March 2024]. Available from: https://publications.waset.org/pdf/10006599.