“Parseval’s Identity for Low-Dimensional Nilpotent Lie Groups G5,1, G5,2, G5,3 and G5,5”. Kathmandu University Journal of Science, Engineering and Technology 5, no. 1 (March 8, 2010): 23–30. Accessed July 5, 2026. https://www.nepjol.info/index.php/KUSET/article/view/2844.