PEÑA, C. Left inversion in a dual Banach algebra endowed with an Arens product and the Jacobson radical. New Zealand Journal of Mathematics, [S. l.], v. 56, p. 125–131, 2025. DOI: 10.53733/610. Disponível em: https://nzjmath.org/index.php/NZJMATH/article/view/610. Acesso em: 21 nov. 2025.