Xu, Shun-Wei, Chao-Ping Chen, H. M. Srivastava, and Cristinel Mortici. “Inequalities, Asymptotic Expansions and Complete Monotonicity Properties Related to the Gamma and Digamma Functions”. CUBO, A Mathematical Journal 28, no. 3 (September 30, 2026): 503–522. Accessed October 20, 2026. https://cubo.ufro.cl/index.php/cubo/article/view/4525.