BazaliiB. V., and Vasil’evaN. V. “On the Solvability of the Hele–Shaw Model Problem in Weighted Hölder Spaces in a Plane Angle”. Ukrains’kyi Matematychnyi Zhurnal 52, no. 11 (November 25, 2000): 1446-1457. Accessed July 22, 2024. https://umj.imath.kiev.ua/index.php/umj/article/view/4552.