REICH, E. On criteria for unique extremality of Teichmüller mappings. Annales Fennici Mathematici, [S. l.], v. 6, n. 2, p. 289–301, 1981. DOI: 10.5186/aasfm.1981.0617. Disponível em: https://afm.journal.fi/article/view/134418. Acesso em: 25 nov. 2024.