Yiqin Lin and  Liang Bao,  Multilevel Arnoldi-Tikhonov Regularization Methods for Large-Scale Linear Ill-Posed Systems.   journal   = {International Journal of Mathematical and Computational Sciences}, [online]. World Academy of Science, Engineering and Technology.
    October 2018, vol. 143(11). 218 - 224
    [viewed 11 May 2024]. Available from: https://publications.waset.org/pdf/10009769.