KerekeshaP. V., and CherskiiYu. I. “Integral Representation of an Analytic Function in a Ring and Its Applications”. Ukrains’kyi Matematychnyi Zhurnal 47, no. 3 (March 25, 1995): 322–329. Accessed November 24, 2024. https://umj.imath.kiev.ua/index.php/umj/article/view/5420.