TY - JOUR AU - Bridson, Martin TI - Fractional isoperimetric inequalities and subgroup distortion JO - Journal of the American Mathematical Society PY - 1999 SP - 1103 EP - 1118 VL - 12 IS - 4 UR - http://geodesic.mathdoc.fr/articles/10.1090/S0894-0347-99-00308-2/ DO - 10.1090/S0894-0347-99-00308-2 ID - 10_1090_S0894_0347_99_00308_2 ER -