NÄÄTÄNEN, M. Maps with continuous characteristics as a subclass of quasiconformal maps. Annales Fennici Mathematici, [S. l.], n. 410, 1967. DOI: 10.5186/aasfm.1967.410. Disponível em: https://afm.journal.fi/article/view/134086. Acesso em: 26 nov. 2024.