PILTNER, Reinhard. Solution representations for Trefftz-type finite elements. Computer Assisted Methods in Engineering and Science, [S. l.], v. 10, n. 4, p. 587–596, 2023. Disponível em: https://cames3.ippt.pan.pl/index.php/cames/article/view/1067. Acesso em: 12 jan. 2025.