JAKUBOVIČOVÁ, Lenka; VAŠKO, Milan; KOMPIS, Vladimir. Trefftz functions using the fundamental solution with the singularity outside the domain. Computer Assisted Methods in Engineering and Science, [S.l.], v. 10, n. 4, p. 515-521, jan. 2023. ISSN 2956-5839. Available at: <https://cames.ippt.pan.pl/index.php/cames/article/view/1061>. Date accessed: 03 july 2024.