Mulyava OM, Sheremeta MM. On conditions for Dirichlet series absolutely convergent in a half-plane to belong to the class of convergence. Ukr. Mat. Zhurn. [Internet]. 2008 Jun. 25 [cited 2025 Dec. 5];60(6):851–856. Available from: https://umj.imath.kiev.ua/index.php/umj/article/view/3202