Kud'yavina, Yu. V., and S. A. Plaksa. “Riemann Boundary-Value Problem on an Open Rectifiable Jordan Curve. I”. Ukrains’kyi Matematychnyi Zhurnal 62, no. 11 (November 25, 2010): 1511–1522. Accessed April 27, 2025. https://umj.imath.kiev.ua/index.php/umj/article/view/2975.