Vynnyts’kyi, B. V., and V.L. Sharan. “On Zeros of One Class of Functions Analytic in a Half-Plane”. Ukrains’kyi Matematychnyi Zhurnal 55, no. 9 (September 25, 2003): 1254–1259. Accessed April 27, 2025. https://umj.imath.kiev.ua/index.php/umj/article/view/3998.