Series involving Dirichlet Eta function. Gulf Journal of Mathematics, [S. l.], v. 15, n. 1, p. 67–83, 2023. DOI: 10.56947/gjom.v15i1.1135. Disponível em: https://gjom.org/index.php/gjom/article/view/1135. Acesso em: 17 sep. 2026.