Stets’, Yu. V., and M. M. Sheremeta. “On the Regular Growth of Dirichlet Series Absolutely Convergent in a Half-Plane”. Ukrains’kyi Matematychnyi Zhurnal 63, no. 5 (May 25, 2011): 686-698. Accessed April 24, 2024. https://umj.imath.kiev.ua/index.php/umj/article/view/2753.