TY - JOUR AU - J. Bourgain TI - On the Busemann-Petty Problem for Perturbations of the Ball. JO - Geometric and functional analysis PY - 1991 SP - 1 EP - 13 VL - 1 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/GFA_1991__1_2_58106/ ID - GFA_1991__1_2_58106 ER -