LUUKKAINEN, J. Topologically, quasiconformally or Lipschitz locally flat embeddings in codimension one. Annales Fennici Mathematici, [S. l.], v. 8, n. 1, p. 107–138, 1983. DOI: 10.5186/aasfm.1983.0819. Disponível em: https://afm.journal.fi/article/view/134461. Acesso em: 25 nov. 2024.