Error Estimation for Numerical Methods Using the Ultra Weak Variational Formulation in Model of Near Field Scattering Problem. Journal of Computational Mathematics, [S. l.], v. 32, n. 5, p. 491–506, 2018. DOI: 10.4208/jcm.1403-m4404. Disponível em: https://www.global-sci.com/index.php/JCM/article/view/12169. Acesso em: 6 dec. 2025.