A Finite Element Method with Rectangular Perfectly Matched Layers for the Scattering from Cavities. Journal of Computational Mathematics, [S. l.], v. 27, n. 6, p. 812–834, 2021. DOI: 10.4208/jcm.2009.09-m2902. Disponível em: https://global-sci.com/index.php/JCM/article/view/11967. Acesso em: 5 dec. 2025.