Discrete Approximations for Singularly Perturbed Boundary Value Problems with Parabolic Layers, II. Journal of Computational Mathematics, [S. l.], v. 14, n. 2, p. 183–194, 1996. Disponível em: https://global-sci.com/index.php/JCM/article/view/11208. Acesso em: 5 dec. 2025.