SAVCHUK, V. V. Linear methods for approximation of some classes of holomorphic functions from the Bergman space. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 60, n. 6, p. 783–795, 2008. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/3196. Acesso em: 5 dec. 2025.