LOMAKO, T.V. Theorem on Closure and the Criterion of Compactness for the Classes of Solutions of the Beltrami Equations. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 65, n. 12, p. 1657–1666, 2013. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/2544. Acesso em: 5 dec. 2025.