Pahari, Narayan Prasad. “On Certain Topological Structures of Summable Paranormed Sequence Space Defined in Two - Normed Space”. Journal of Institute of Science and Technology 19, no. 2 (November 9, 2015): 135–140. Accessed July 17, 2024. https://nepjol.info/index.php/JIST/article/view/13867.