PLUYMERS, Bert; VANMAELE, Caroline; DESMET, Wim; VANDEPITTE, Dirk. Application of a hybrid finite element-Trefftz approach for acoustic analysis. Computer Assisted Methods in Engineering and Science, [S. l.], v. 13, n. 3, p. 427–444, 2006. Disponível em: https://cames.ippt.gov.pl/index.php/cames/article/view/944. Acesso em: 5 mar. 2026.