Charsooghi, Mohammad Avalin, Yousof Azizi, Mehdi Hassani, and Laleh Mollazadeh-Beidokhti. “On a Result of Hardy and Ramanujan”. Sarajevo Journal of Mathematics 4, no. 2 (June 11, 2024): 147–153. Accessed January 26, 2026. https://www.sjm.anubih.ba/index.php/sjm/article/view/359.