The Generalized Artin Primitive Root Conjecture. European Journal of Pure and Applied Mathematics, Maryland, USA, v. 11, n. 1, p. 23–34, 2018. DOI: 10.29020/nybg.ejpam.v11i1.3182. Disponível em: https://www.ejpam.com/index.php/ejpam/article/view/3182.. Acesso em: 5 may. 2024.