Tripathy, Binod Chandra, and Mausumi Sen. “Characterization of Some Matrix Classes Involving Paranormed Sequence Spaces”. Tamkang Journal of Mathematics 37, no. 2 (June 30, 2006): 155–162. Accessed April 26, 2024. https://journals.math.tku.edu.tw/index.php/TKJM/article/view/160.