KONDRATYUK, Ya. V. On the boundedness of the total variation of the logarithm of a Blaschke product. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 51, n. 11, p. 1449–1455, 1999. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/4746. Acesso em: 5 dec. 2025.