HÄSTÖ, P.; IBRAGIMOV, Z. Apollonian isometries of regular domains are Möbius mappings. Annales Fennici Mathematici, [S. l.], v. 32, n. 1, p. 83–98, 2007. Disponível em: https://afm.journal.fi/article/view/135180. Acesso em: 25 nov. 2024.