@article{10_4171_ggd_48,
     author = {Misha Gromov},
     title = {Entropy and isoperimetry for linear and non-linear group actions},
     journal = {Groups, geometry, and dynamics},
     pages = {499--593},
     year = {2008},
     volume = {2},
     number = {4},
     doi = {10.4171/ggd/48},
     url = {http://geodesic.mathdoc.fr/articles/10.4171/ggd/48/}
}