SZE, K. Y.; JIN, W. G.; SHENG, N.; LI, J. Trefftz methods for plane piezoelectricity. Computer Assisted Methods in Engineering and Science, [S. l.], v. 10, n. 4, p. 619–627, 2023. Disponível em: https://cames3.ippt.pan.pl/index.php/cames/article/view/1070. Acesso em: 12 jan. 2025.