NOSENKO, A. S. On some properties of unit-circle mappings by $C$-functions of Caratheodory . Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 23, n. 6, p. 798–804, 1971. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/8630. Acesso em: 14 apr. 2025.