SEVOST'YANOV, E. A. On some properties of generalized quasiisometries with unbounded characteristic. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 63, n. 3, p. 385–398, 2011. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/2724. Acesso em: 17 apr. 2025.