PILTNER, Reinhard. The derivation of special purpose element functions using complex solution representations. Computer Assisted Methods in Engineering and Science, [S. l.], v. 10, n. 4, p. 597–607, 2023. Disponível em: https://cames3.ippt.pan.pl/index.php/cames/article/view/1068. Acesso em: 12 jan. 2025.