Finite Volume Superconvergence Approximation for One-Dimensional Singularly Perturbed Problems. Journal of Computational Mathematics, [S. l.], v. 31, n. 5, p. 488–508, 2018. DOI: 10.4208/jcm.1304-m4280. Disponível em: https://www.global-sci.com/index.php/JCM/article/view/12129. Acesso em: 5 dec. 2025.