KALMYKOV, S.; NAGY, B.; SÈTE, O. Minimal degree rational open up mappings and related questions. Annales Fennici Mathematici, [S. l.], v. 48, n. 2, p. 429–451, 2023. DOI: 10.54330/afm.131296. Disponível em: https://afm.journal.fi/article/view/131296. Acesso em: 20 maj. 2024.