On formal power series over topological algebras. Extracta Mathematicae, [S. l.], v. 37, n. 1, p. 57–74, 2022. DOI: 10.17398/2605-5686.37.1.57. Disponível em: https://revista-em.unex.es/index.php/EM/article/view/2605-5686.37.1.57.. Acesso em: 18 oct. 2024.