LI, Y.; WANG, X. Unions of John domains and uniform domains in real normed vector spaces. Annales Fennici Mathematici, [S. l.], v. 35, n. 2, p. 627–632, 2010. DOI: 10.5186/aasfm.2010.3539. Disponível em: https://afm.journal.fi/article/view/135329. Acesso em: 4 may. 2024.