[1]
L. Jakubovičová, M. Vaško, and V. Kompis, “Trefftz functions using the fundamental solution with the singularity outside the domain”, Comp. Assist. Methods Eng. Sci., vol. 10, no. 4, pp. 515–521, Dec. 2003, Accessed: Mar. 03, 2026. [Online]. Available: https://cames.ippt.pan.pl/index.php/cames/article/view/1061