TUKIA, P.; VÄISÄLÄ, J. Extension of embeddings close to isometries or similarities. Annales Fennici Mathematici, [S. l.], v. 9, n. 1, p. 153–175, 1984. DOI: 10.5186/aasfm.1984.0914. Disponível em: https://afm.journal.fi/article/view/134494. Acesso em: 25 nov. 2024.