Srivastava, J. K., and B. K. Srivastava. “Matrix Transformations Involving Certain Banach Space Valued Sequence Spaces”. Tamkang Journal of Mathematics 31, no. 2 (June 30, 2000): 85–100. Accessed April 24, 2024. https://journals.math.tku.edu.tw/index.php/TKJM/article/view/400.