Samsoniya ZV, Samkharadze IG. On quasiconformal mappings corresponding to the beltrami equation. Ukr. Mat. Zhurn. [Internet]. 1999Oct.25 [cited 2024Jul.27];51(10):1391–1397. Available from: https://umj.imath.kiev.ua/index.php/umj/article/view/4738