GOL'DBERG, A. A. Uniqueness theorems for algebraic functions that take the number of algebraic elements into account. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 47, n. 11, p. 1498–1505, 1995. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/5540. Acesso em: 14 apr. 2025.