Mixed Spectral Element Method for 2D Maxwell’s Eigenvalue Problem. Communications in Computational Physics, [S. l.], v. 17, n. 2, p. 458–486, 2020. DOI: 10.4208/cicp.230113.140814a. Disponível em: https://www.global-sci.com/index.php/cicp/article/view/7541. Acesso em: 5 dec. 2025.