GerusO. F. “Estimate of the Modulus of Continuity of a Cauchy-Type Integral in a Domain and on Its Boundary”. Ukrains’kyi Matematychnyi Zhurnal 48, no. 10 (October 25, 1996): 1321-1328. Accessed November 24, 2024. https://umj.imath.kiev.ua/index.php/umj/article/view/5217.