Sevost'yanov, E.A. (2011) “On some properties of generalized quasiisometries with unbounded characteristic”,
Ukrains’kyi Matematychnyi Zhurnal, 63(3), pp. 385–398. Available at:
https://umj.imath.kiev.ua/index.php/umj/article/view/2724 (Accessed: 16 April 2025).