Ting-Zhu Huang David J. Evans New estimations of the spectral radii of J, G-S and SOR iterative matrices for a class of linear systems. 23-31 2007 84 Int. J. Comput. Math. 1 http://dx.doi.org/10.1080/00207160601138772 db/journals/ijcm/ijcm84.html#HuangE07