Explicit Error Estimates for Mixed and Nonconforming Finite Elements. Journal of Computational Mathematics, [S. l.], v. 27, n. 4, p. 425–440, 2009. DOI: 10.4208/jcm.2009.27.4.011. Disponível em: https://global-sci.com/index.php/JCM/article/view/11944. Acesso em: 6 dec. 2025.