@article{10_4171_ggd_94,
     author = {Thomas Delzant and Panos Papasoglu},
     title = {Codimension one subgroups and boundaries of  hyperbolic groups},
     journal = {Groups, geometry, and dynamics},
     pages = {533--548},
     year = {2010},
     volume = {4},
     number = {3},
     doi = {10.4171/ggd/94},
     url = {http://geodesic.mathdoc.fr/articles/10.4171/ggd/94/}
}