A Hybrid Two-Level Finite Element Method for the Stationary Natural Convection Problem and Parallel Implement. Journal of Computational Mathematics, [S. l.], 2026. DOI: 10.4208/jcm.2512-m2024-0122. Disponível em: https://global-sci.com/JCM/article/view/23905. Acesso em: 13 apr. 2026.