@article{AGMS_2014_2_1_a13,
     author = {Ostrovskii, Mikhail},
     title = {Metric {Characterizations} of {Superreflexivity} in {Terms} of {Word} {Hyperbolic} {Groups} and {Finite} {Graphs}},
     journal = {Analysis and Geometry in Metric Spaces},
     publisher = {mathdoc},
     volume = {2},
     number = {1},
     year = {2014},
     zbl = {1318.46010},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/AGMS_2014_2_1_a13/}
}