OJALA, T. On (α)n-regular sets. Annales Fennici Mathematici, [S. l.], v. 39, n. 2, p. 655–673, 2014. DOI: 10.5186/aasfm.2014.3926. Disponível em: https://afm.journal.fi/article/view/135507. Acesso em: 22 nov. 2024.