A Superconvergence Analysis for Finite Element Solution by the Interpolant Postprocessing on Irregular Meshes for Smooth Problem. Journal of Computational Mathematics, [S. l.], v. 19, n. 3, p. 323–326, 2001. Disponível em: https://www.global-sci.com/index.php/JCM/article/view/11434. Acesso em: 5 dec. 2025.