Uniform Superconvergence of Galerkin Methods for Singularly Perturbed Problems. Journal of Computational Mathematics, [S. l.], v. 28, n. 2, p. 273–288, 2018. DOI: 10.4208/jcm.2009.10-m2870. Disponível em: https://global-sci.com/index.php/JCM/article/view/11984. Acesso em: 27 feb. 2026.