Igawa, Tadaaki, T. Makoto Minamide, and Miyu Nakano. “The Pillai-Chowla Method for an Error Term in The Mean Square of δK(n)”. The Nepali Mathematical Sciences Report 38, no. 1 (June 30, 2021): 39–50. Accessed November 22, 2024. https://nepjol.info/index.php/nmsr/article/view/38910.