Sahani, Suresh Kumar, Vishnu Narayan Mishra, and Narayan Prasad Pahari. “On the Degree of Approximation of a Function by Nörlund Means of Its Fourier Laguerre Series”. Nepal Journal of Mathematical Sciences 1 (October 31, 2020): 65–70. Accessed May 5, 2024. https://www.nepjol.info/index.php/njmathsci/article/view/34164.