MUTAQIN, A.; GUNAWAN, H. EQUIVALENCE OF n-NORMS ON THE SPACE OF p-SUMMABLE SEQUENCES. Journal of the Indonesian Mathematical Society, [S. l.], v. 16, n. 1, p. 1–7, 2010. DOI: 10.22342/jims.16.1.27.1-7. Disponível em: https://jims-a.org/index.php/jimsa/article/view/27. Acesso em: 8 aug. 2022.