A Modified Discontinuous Galerkin Method for Solving Efficiently Helmholtz Problems. Communications in Computational Physics, [S. l.], v. 11, n. 2, p. 335–350, 2020. DOI: 10.4208/cicp.081209.070710s. Disponível em: https://global-sci.com/index.php/cicp/article/view/5908. Acesso em: 6 dec. 2025.