SEVOST'YANOV, E. A. On the sets of branch points of mappings more general than quasiregular. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 62, n. 2, p. 215–230, 2010. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/2858. Acesso em: 5 dec. 2025.