@article{10_4171_ggd_468,
     author = {Eduardo Oreg\'on-Reyes},
     title = {Properties of sets of isometries of {Gromov} hyperbolic spaces},
     journal = {Groups, geometry, and dynamics},
     pages = {889--910},
     year = {2018},
     volume = {12},
     number = {3},
     doi = {10.4171/ggd/468},
     url = {http://geodesic.mathdoc.fr/articles/10.4171/ggd/468/}
}