Yuming, Chu, Zhang Xiaoming, and Tang Xiaomin. “An Upper Bound Estimate for H. Alzer’s Integral Inequality”. Sarajevo Journal of Mathematics 4, no. 2 (June 11, 2024): 191–196. Accessed December 4, 2024. https://sjm.anubih.ba/index.php/sjm/article/view/362.