ZABOLOTSKII, N. V.; MOSTOVA, M. R. Logarithmic Derivative and the Angular Density of Zeros for a Zero-Order Entire Function. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 66, n. 4, p. 473–481, 2014. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/2149. Acesso em: 5 dec. 2025.