JORGENSEN, T.; MARDEN, A. Kleinian groups with quotients of finite volume. Annales Fennici Mathematici, [S. l.], v. 13, n. 3, p. 363–369, 1988. DOI: 10.5186/aasfm.1988.1327. Disponível em: https://afm.journal.fi/article/view/134637. Acesso em: 20 may. 2024.