KAUSHIK, S. K. Some results concerning frames in Banach spaces. Tamkang Journal of Mathematics, [S. l.], v. 38, n. 3, p. 267–276, 2007. DOI: 10.5556/j.tkjm.38.2007.80. Disponível em: https://journals.math.tku.edu.tw/index.php/TKJM/article/view/80. Acesso em: 8 may. 2024.