@article{GT_2018_22_1_a7,
     author = {Beeker, Benjamin and Lazarovich, Nir},
     title = {Detecting sphere boundaries of hyperbolic groups},
     journal = {Geometry & topology},
     pages = {439--470},
     publisher = {mathdoc},
     volume = {22},
     number = {1},
     year = {2018},
     doi = {10.2140/gt.2018.22.439},
     url = {http://geodesic.mathdoc.fr/articles/10.2140/gt.2018.22.439/}
}