IBRAGIMOV, Z. Möbius maps between ultrametric spaces are local similarities. Annales Fennici Mathematici, [S. l.], v. 37, n. 1, p. 309–317, 2012. DOI: 10.5186/aasfm.2012.3725. Disponível em: https://afm.journal.fi/article/view/135398. Acesso em: 25 nov. 2024.