KondratyukYa. V., and KondratyukA. A. “On Boundedness of Square Means for the Logarithms of Blaschke Products”. Ukrains’kyi Matematychnyi Zhurnal 51, no. 2 (February 25, 1999): 255–259. Accessed November 28, 2024. https://umj.imath.kiev.ua/index.php/umj/article/view/4605.