BRINK, Ulrich et al. Aspects of Trefftz' Method in BEM and FEM and their coupling. Computer Assisted Methods in Engineering and Science, [S.l.], v. 4, n. 3-4, p. 327-344, oct. 2023. ISSN 2956-5839. Available at: <https://cames.ippt.gov.pl/index.php/cames/article/view/1553>. Date accessed: 13 nov. 2024.