SEVOST'YANOV, E. A. On Equicontinuous Families of Mappings Without Values in Variable Sets. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 66, n. 3, p. 361–370, 2014. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/2138. Acesso em: 5 dec. 2025.