BUGEAUD, Y.; MIHAILESCU, P. On the Nagell-Ljunggren equation $(x^n - 1)/(x - 1) = y^q$. MATHEMATICA SCANDINAVICA, [S. l.], v. 101, n. 2, p. 177–183, 2007. DOI: 10.7146/math.scand.a-15038. Disponível em: https://www.mscand.dk/article/view/15038. Acesso em: 30 apr. 2024.