TY - JOUR AU - Ostrovskii, Mikhail TI - Metric Characterizations of Superreflexivity in Terms of Word Hyperbolic Groups and Finite Graphs JO - Analysis and Geometry in Metric Spaces PY - 2014 VL - 2 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/AGMS_2014_2_1_a13/ LA - en ID - AGMS_2014_2_1_a13 ER -