Teixeira de Freitas JA, Cismaşiu C. Developments with hybrid-Trefftz stress and displacement elements. Comp. Assist. Methods Eng. Sci. [Internet]. 2023 Mar. 2 [cited 2025 Jun. 22];8(2-3):289-311. Available from: https://cames.ippt.pan.pl/index.php/cames/article/view/1171