Natural Boundary Element Method for Three Dimensional Exterior Harmonic Problem with an Inner Prolate Spheroid Boundary. Journal of Computational Mathematics, [S. l.], v. 24, n. 2, p. 193–208, 2006. Disponível em: https://www.global-sci.com/index.php/JCM/article/view/11756. Acesso em: 5 dec. 2025.