@article{10_4171_ggd_233,
     author = {Enrico Leuzinger},
     title = {Optimal higher-dimensional {Dehn} functions for some  {CAT(0)} lattices},
     journal = {Groups, geometry, and dynamics},
     pages = {441--466},
     year = {2014},
     volume = {8},
     number = {2},
     doi = {10.4171/ggd/233},
     url = {http://geodesic.mathdoc.fr/articles/10.4171/ggd/233/}
}