KOMPIŠ, Vladimír; ŠTIAVNICKY, Mário. Trefftz functions in FEM, BEM and meshless methods. Computer Assisted Methods in Engineering and Science, [S.l.], v. 13, n. 3, p. 417- 426, nov. 2022. ISSN 2956-5839. Available at: <https://cames.ippt.pan.pl/index.php/cames/article/view/943>. Date accessed: 22 july 2024.