MAUNDER, Edward A.W. On the stability of hybrid equilibrium and Trefftz finite element models for plate bending problems. Computer Assisted Methods in Engineering and Science, [S. l.], v. 15, n. 3-4, p. 279–288, 2008. Disponível em: https://cames.ippt.gov.pl/index.php/cames/article/view/736. Acesso em: 5 mar. 2026.