SPACAPAN, Igor; PREMROV, Miroslav. Modal analysis of wave motion in inhomogeneous waveguides which are modelled by FEM. Computer Assisted Methods in Engineering and Science, [S. l.], v. 11, n. 2-3, p. 137–144, 2023. Disponível em: https://cames3.ippt.pan.pl/index.php/cames/article/view/1030. Acesso em: 12 jan. 2025.