Joshi, Geeta Bhakta, Shailendra Kumar Mishra, and Shankar Rajpant. “Difference Sequence Spaces and Matrix Transformations”. Journal of the Institute of Engineering 7, no. 1 (July 23, 2009): 24–30. Accessed March 2, 2025. https://nepjol.info./index.php/JIE/article/view/2059.