IVANOV, O. V. The structure of Banach algebras of bounded continuous functions on the open disk that contain $H^{∞}$, the Hoffman algebra, and nontangential limits. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 45, n. 7, p. 924–931, 1993. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/5885. Acesso em: 11 apr. 2025.