On Contraction and Semi-Contraction Factors of GSOR Method for Augmented Linear Systems. Journal of Computational Mathematics, [S. l.], v. 28, n. 6, p. 901–912, 2021. DOI: 10.4208/jcm.1004-m3180. Disponível em: https://global-sci.com/index.php/JCM/article/view/12018. Acesso em: 5 dec. 2025.