VERFIIRTH, R. . A posteriori error estimation techniques for non-linear elliptic and parabolic pdes. European Journal of Computational Mechanics, [S. l.], v. 9, n. 4, p. 377–402, 2000. Disponível em: https://journals.riverpublishers.com/index.php/EJCM/article/view/2909. Acesso em: 20 jun. 2026.