On the Convergence of the Nonnested V-Cycle Multigrid Method for Nonsymmetric and Indefinite Second-Order Elliptic Problems. Journal of Computational Mathematics, [S. l.], v. 24, n. 2, p. 157–168, 2006. Disponível em: https://global-sci.com/index.php/JCM/article/view/11753. Acesso em: 6 dec. 2025.