Chao Li and Hao Liu,  A New Seed Projection Method for Solving Shifted Systems with Multiple Right-Hand Sides.   journal   = {International Journal of Mathematical and Computational Sciences}, [online]. World Academy of Science, Engineering and Technology.
    August 2013, vol. 76(4). 639 - 641
    [viewed 25 April 2024]. Available from: https://publications.waset.org/pdf/16784.