PRASAD, A.; VEMURI, M. K. Eigenfunctions of the Laplace-Beltrami operator on hyperboloids. Tamkang Journal of Mathematics, [S. l.], v. 39, n. 4, p. 335–339, 2008. DOI: 10.5556/j.tkjm.39.2008.7. Disponível em: https://journals.math.tku.edu.tw/index.php/TKJM/article/view/7. Acesso em: 4 dec. 2024.