PARTYKA, D.; SAKAN, K.- ichi. On bi-Lipschitz type inequalities for quasiconformal harmonic mappings. Annales Fennici Mathematici, [S. l.], v. 32, n. 2, p. 579–594, 2007. Disponível em: https://afm.journal.fi/article/view/135212. Acesso em: 25 nov. 2024.