VESTFRID, I. A. Isometric Imbedding of Some Metric Spaces in lp-Spaces. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 53, n. 12, p. 1718–1723, 2001. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/4389. Acesso em: 11 apr. 2025.