WASET
    Miklos Palfia,  The Riemann Barycenter Computation and Means of Several Matrices.   journal   = {International Journal of Mathematical and Computational Sciences}, [online]. World Academy of Science, Engineering and Technology.
    April 2008, vol. 16(4). 263 - 268
    [viewed 23 April 2024]. Available from: https://publications.waset.org/pdf/762.