Minghui Wang and  Juntao Zhang,  A New Inversion-free Method for Hermitian Positive Definite Solution of Matrix Equation.   journal   = {International Journal of Mathematical and Computational Sciences}, [online]. World Academy of Science, Engineering and Technology.
    November 2014, vol. 90(6). 1004 - 1007
    [viewed 27 April 2024]. Available from: https://publications.waset.org/pdf/9999734.