GOL'BERG, A. L.; SEVOST'YANOV, E. A. On the Radius of Injectivity for Generalized Quasiisometries in the Spaces of Dimension Higher Than Two. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 67, n. 2, p. 174–184, 2015. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/1972. Acesso em: 5 dec. 2025.