AHARONOV, D.; FRIEDLAND, S. On functions of bounded boundary rotation. Annales Fennici Mathematici, [S. l.], n. 585, 1975. DOI: 10.5186/aasfm.1975.585. Disponível em: https://afm.journal.fi/article/view/134221. Acesso em: 25 nov. 2024.