A Lowest-Order Mixed Finite Element Method for the Elastic Transmission Eigenvalue Problem. Communications in Computational Physics, [S. l.], v. 28, n. 3, p. 1105–1132, 2020. DOI: 10.4208/cicp.OA-2019-0106. Disponível em: https://global-sci.com/index.php/cicp/article/view/6872. Acesso em: 6 dec. 2025.