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Dahmani, François; Guirardel, Vincent; Osin, Denis (2017). "Hyperbolically embedded subgroups and rotating families in groups acting on hyperbolic spaces". Memoirs of the American Mathematical Society. 245 (1156). arXiv:1111.7048. doi:10.1090/memo/1156. S2CID119137328.
Dahmani, François; Guirardel, Vincent; Osin, Denis (2017). "Hyperbolically embedded subgroups and rotating families in groups acting on hyperbolic spaces". Memoirs of the American Mathematical Society. 245 (1156). arXiv:1111.7048. doi:10.1090/memo/1156. S2CID119137328.
Dahmani, François; Guirardel, Vincent; Osin, Denis (2017). "Hyperbolically embedded subgroups and rotating families in groups acting on hyperbolic spaces". Memoirs of the American Mathematical Society. 245 (1156). arXiv:1111.7048. doi:10.1090/memo/1156. S2CID119137328.