Stasyuk, Ya.Z., and O.B. Skaskiv. “On the Equivalence of the Sum and the Maximal Term of the Dirichlet Series Absolutely Convergent in the Half-Plane”. Carpathian Mathematical Publications 1, no. 1 (June 30, 2009): 100–106. Accessed November 21, 2024. https://journals.pnu.edu.ua/index.php/cmp/article/view/4007.