CARAMAN, P. Characterization of the quasiconformality by arc families of extremal length zero. Annales Fennici Mathematici, [S. l.], n. 528, 1973. DOI: 10.5186/aasfm.1973.528. Disponível em: https://afm.journal.fi/article/view/134184. Acesso em: 25 nov. 2024.