Guiding Gu and  Guo Liu,  On Convergence Property of MINRES Method for Solving a Complex Shifted Hermitian Linear System.   journal   = {International Journal of Mathematical and Computational Sciences}, [online]. World Academy of Science, Engineering and Technology.
    August 2013, vol. 74(2). 290 - 294
    [viewed 19 April 2024]. Available from: https://publications.waset.org/pdf/16770.