MARTIO, O.; RYAZANOV, V.; SREBRO, U.; YAKUBOV, E. On Q-homeomorphisms. Annales Fennici Mathematici, [S. l.], v. 30, n. 1, p. 49–69, 2005. Disponível em: https://afm.journal.fi/article/view/135120. Acesso em: 17 apr. 2025.