JOSHI, G. B.; MISHRA, S. K.; RAJPANT, S. Difference Sequence Spaces and Matrix Transformations. Journal of the Institute of Engineering, [S. l.], v. 7, n. 1, p. 24–30, 2009. DOI: 10.3126/jie.v7i1.2059. Disponível em: https://www.nepjol.info/index.php/JIE/article/view/2059. Acesso em: 30 apr. 2024.