MARTIN, G. J. Discrete quasiconformal groups that are not the quasiconformal conjugates of Möbius groups. Annales Fennici Mathematici, [S. l.], v. 11, n. 2, p. 179–202, 1986. DOI: 10.5186/aasfm.1986.1113. Disponível em: https://afm.journal.fi/article/view/134570. Acesso em: 2 may. 2024.