AHLFORS, L. V. On the fixed points of Möbius transformations in Rn. Annales Fennici Mathematici, [S. l.], v. 10, n. 1, p. 15–27, 1985. DOI: 10.5186/aasfm.1985.1005. Disponível em: https://afm.journal.fi/article/view/134500. Acesso em: 7 may. 2024.