Superconvergence of Gradient Recovery Schemes on Graded Meshes for Corner Singularities. Journal of Computational Mathematics, [S. l.], v. 28, n. 1, p. 11–31, 2018. DOI: 10.4208/jcm.2009.09-m1002. Disponível em: https://global-sci.com/index.php/JCM/article/view/11970. Acesso em: 6 dec. 2025.