Sheremeta, M. M. “On Certain Classes of Dirichlet Series With Real Coefficients Absolute Convergent in a Half-Plane”. Matematychni Studii 61, no. 1 (March 19, 2024): 35-50. Accessed July 18, 2024. http://www.matstud.org.ua/ojs/index.php/matstud/article/view/477.