Kovtonyuk, D.A., Petkov, I.V. and Ryazanov, V.I. (2012) “On the Dirichlet problem for the Beltrami equations in finitely connected domains”, Ukrains’kyi Matematychnyi Zhurnal, 64(7), pp. 932–944. Available at: https://umj.imath.kiev.ua/index.php/umj/article/view/2629 (Accessed: 10 April 2025).