Sonker, Smita, and Paramjeet Sangwan. “Approximation of Signals by Harmonic-Euler Triple Product Means”. The Journal of the Indian Mathematical Society 88, no. 1-2 (January 28, 2021): 176–186. Accessed April 29, 2024. https://www.informaticsjournals.com/index.php/jims/article/view/26084.