RAJ, K.; SHARMA, S. K. Some generalized difference double sequence spaces defined by a sequence of Orlicz-functions. CUBO, A Mathematical Journal, [S. l.], v. 14, n. 3, p. 167–190, 2012. DOI: 10.4067/S0719-06462012000300011. Disponível em: https://cubo.ufro.cl/ojs/index.php/cubo/article/view/1338. Acesso em: 10 may. 2024.