HERREROS, P.; PONCE, M.; VEERMAN, J. J. P. Equators have at most countable many singularities with bounded total angle. Annales Fennici Mathematici, [S. l.], v. 42, n. 2, p. 837–845, 2017. DOI: 10.5186/aasfm.2017.4251. Disponível em: https://afm.journal.fi/article/view/135696. Acesso em: 22 nov. 2024.