Mahendra Misra, B. P. Padhy, Dattaram Bisoyi, and U. K. Misra. “On Degree of Approximation of Conjugate Series of a Fourier Series by Product Summability”. Malaya Journal of Matematik 1, no. 02 (April 1, 2013): 37–42. Accessed November 22, 2024. https://www.malayajournal.org/index.php/mjm/article/view/348.