MARTIO, O.; RICKMAN, S. Boundary behavior of quasiregular mappings. Annales Fennici Mathematici, [S. l.], n. 507, 1972. DOI: 10.5186/aasfm.1972.507. Disponível em: https://afm.journal.fi/article/view/134163. Acesso em: 26 nov. 2024.