SALIMOV, R. R.; SEVOST'YANOV, E. A. Estimation of dilatations for mappings more general than quasiregular mappings. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 62, n. 11, p. 1531–1537, 2010. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/2977. Acesso em: 14 apr. 2025.