RYAZANOV, V. I. Quasicqnformal mappings with restrictions in measure. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 45, n. 7, p. 1009–1019, 1993. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/5894. Acesso em: 5 dec. 2025.