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, jan. 2023. ISSN 2956-5839. Available at: <https://cames.ippt.pan.pl/index.php/cames/article/view/1030>. Date accessed: 22 july 2024.