ZHANG, Y. J. .; ZHANG , X. H. . Normal Directionaly NURBS Arithmetic of Conformal PML. Applied Computational Electromagnetics Society Journal (ACES), [S. l.], v. 29, n. 11, p. 904–910, 2021. Disponível em: https://journals.riverpublishers.com/index.php/ACES/article/view/10851. Acesso em: 31 oct. 2024.