Köthe Dual of Some Vector-valued Sequence Spaces. European Journal of Pure and Applied Mathematics, Maryland, USA, v. 17, n. 1, p. 171–179, 2024. DOI: 10.29020/nybg.ejpam.v17i1.4992. Disponível em: https://www.ejpam.com/index.php/ejpam/article/view/4992. Acesso em: 23 nov. 2024.