1.
Bouberbachene M, Hochard C, Poitou A. Domain optimisation using Trefftz functions – application to free boundaries. Comp. Assist. Methods Eng. Sci. 2023;4(3-4):317-326. Accessed June 30, 2025. https://cames.ippt.pan.pl/index.php/cames/article/view/1375