DUBICKAS, A. Multiplicative relations with conjugate algebraic numbers. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 59, n. 7, p. 890–900, 2007. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/3354. Acesso em: 17 apr. 2025.