On discontinuity of derivations, inducing inequivalent complete metric topologies. Extracta Mathematicae, [S. l.], v. 39, n. 1, p. 1–17, 2024. DOI: 10.17398/2605-5686.39.1.1. Disponível em: https://revista-em.unex.es/index.php/EM/article/view/2605-5686.39.1.1.. Acesso em: 15 oct. 2024.