Martins, M. Madalena. “An Improvement for the Area of Convergence of the Accelerated Overrelaxation Iterative Method”.
Anal. Numér. Théor. Approx., vol. 12, no. 1, Feb. 1983, pp. 65-76,
https://ictp.acad.ro/jnaat/journal/article/view/1983-vol12-no1-art8.