IHLENBURG, Frank. Error estimation for FEM in acoustic scattering. Computer Assisted Methods in Engineering and Science, [S.l.], v. 3, n. 4, p. 389-401, july 2023. ISSN 2956-5839. Available at: <https://cames.ippt.gov.pl/index.php/cames/article/view/1438>. Date accessed: 23 nov. 2024.