VÄISÄLÄ, J. Free quasiconformality in Banach spaces II. Annales Fennici Mathematici, [S. l.], v. 16, n. 2, p. 255–310, 1991. DOI: 10.5186/aasfm.1991.1629. Disponível em: https://afm.journal.fi/article/view/134721. Acesso em: 4 may. 2024.