@article{10_4153_CJM_1996_065_6,
     author = {Kapovich, Ilya and Short, Hamish},
     title = {Greenberg's {Theorem} for {Quasiconvex} {Subgroups} of {Word} {Hyperbolic} {Groups}},
     journal = {Canadian journal of mathematics},
     pages = {1224--1244},
     year = {1996},
     volume = {48},
     number = {6},
     doi = {10.4153/CJM-1996-065-6},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1996-065-6/}
}