BHARDWAJ, V. K.; BALA, I. The sequence space $ F (X_{k}, f, p, s) $ on seminormed spaces. Tamkang Journal of Mathematics, [S. l.], v. 40, n. 3, p. 247–256, 2009. DOI: 10.5556/j.tkjm.40.2009.504. Disponível em: https://journals.math.tku.edu.tw/index.php/TKJM/article/view/504. Acesso em: 6 may. 2024.