SEVOST'YANOV, E. A. Removal of singularities and analogs of the Sokhotskii–Weierstrass theorem for Q-mappings. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 61, n. 1, p. 116–126, 2009. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/3007. Acesso em: 6 dec. 2025.