Zayed, Hanaa M. “Turán-Type Inequalities for Generalized K-Bessel Functions”. Ukrains’kyi Matematychnyi Zhurnal 76, no. 2 (February 28, 2024): 234–256. Accessed December 5, 2025. https://umj.imath.kiev.ua/index.php/umj/article/view/7375.