“On the Convergence of the Nonnested V-Cycle Multigrid Method for Nonsymmetric and Indefinite Second-Order Elliptic Problems”. Journal of Computational Mathematics 24, no. 2 (April 2, 2006): 157–168. Accessed December 6, 2025. https://global-sci.com/index.php/JCM/article/view/11753.