ARON, R. M.; JARAMILLO, J. A.; LE DONNE, E. Smooth surjections and surjective restrictions. Annales Fennici Mathematici, [S. l.], v. 42, n. 2, p. 525–534, 2017. DOI: 10.5186/aasfm.2017.4237. Disponível em: https://afm.journal.fi/article/view/135677. Acesso em: 20 may. 2024.