@article{10_4171_ggd_248,
     author = {Darren Creutz and Yehuda Shalom},
     title = {A normal subgroup theorem for commensurators of lattices},
     journal = {Groups, geometry, and dynamics},
     pages = {789--810},
     year = {2014},
     volume = {8},
     number = {3},
     doi = {10.4171/ggd/248},
     url = {http://geodesic.mathdoc.fr/articles/10.4171/ggd/248/}
}