The Reconstruction of Obstacles in a Waveguide Using Finite Elements. Journal of Computational Mathematics, [S. l.], v. 36, n. 1, p. 29–46, 2018. DOI: 10.4208/jcm.1610-m2016-0559. Disponível em: https://global-sci.com/index.php/JCM/article/view/12302. Acesso em: 6 dec. 2025.