Salo, T. M., and O. B. Skaskiv. “Entire Dirichlet Series of Rapid Growth and New Estimates for the Measure of Exceptional Sets in Theorems of the Wiman–Valiron Type”. Ukrains’kyi Matematychnyi Zhurnal 53, no. 6 (June 25, 2001): 830–839. Accessed December 5, 2025. https://umj.imath.kiev.ua/index.php/umj/article/view/4303.