BUGEAUD, Y.; EVERTSE, J.-H. Approximation of complex algebraic numbers by algebraic numbers of bounded degree. ANNALI SCUOLA NORMALE SUPERIORE - CLASSE DI SCIENZE, [S. l.], v. 8, n. 2, p. 333-368, 2009. DOI: 10.2422/2036-2145.2009.2.05. Disponível em: http://20.103.181.36/index.php/annaliscienze/article/view/174. Acesso em: 27 may. 2025.