RICKMAN, S.; VUORINEN, M. On the order of quasiregular mappings. Annales Fennici Mathematici, [S. l.], v. 7, n. 2, p. 221–231, 1982. DOI: 10.5186/aasfm.1982.0727. Disponível em: https://afm.journal.fi/article/view/134443. Acesso em: 25 nov. 2024.