MARTIO, O.; RICKMAN, S. Measure properties of the branch set and its image of quasiregular mappings. Annales Fennici Mathematici, [S. l.], n. 541, 1973. DOI: 10.5186/aasfm.1973.541. Disponível em: https://afm.journal.fi/article/view/134197. Acesso em: 25 nov. 2024.