Kovtonyuk DA, Petkov IV, Ryazanov VI. On the Dirichlet problem for the Beltrami equations in finitely connected domains. Ukr. Mat. Zhurn. [Internet]. 2012Jul.25 [cited 2024Nov.23];64(7):932-44. Available from: https://umj.imath.kiev.ua/index.php/umj/article/view/2629