MULYAVA, O. M. On convergence classes of Dirichlet series. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 51, n. 11, p. 1485–1494, 1999. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/4750. Acesso em: 5 dec. 2025.