LEITÃO, Vitor M.A. Comparison of Galerkin and collocation Trefftz formulations for plane elasticity. Computer Assisted Methods in Engineering and Science, [S. l.], v. 8, n. 2-3, p. 397–407, 2023. Disponível em: https://cames.ippt.gov.pl/index.php/cames/article/view/1178. Acesso em: 18 jan. 2026.