Jakubovičová L, Vaško M, Kompis V. Trefftz functions using the fundamental solution with the singularity outside the domain. CAMES [Internet]. 2023 Jan. 26 [cited 2025 Jan. 26];10(4):515-21. Available from: https://cames3.ippt.pan.pl/index.php/cames/article/view/1061