LEHTINEN, M. The dilatation of Beurling-Ahlfors extensions of quasisymmetric functions. Annales Fennici Mathematici, [S. l.], v. 8, n. 1, p. 187–191, 1983. DOI: 10.5186/aasfm.1983.0817. Disponível em: https://afm.journal.fi/article/view/134466. Acesso em: 25 nov. 2024.