TY - JOUR AU - Kelly, Brian P. TI - A Dimension-Free Weak-Type Estimate for Operators on UMD-Valued Functions JO - Canadian mathematical bulletin PY - 2000 SP - 355 EP - 361 VL - 43 IS - 3 UR - http://geodesic.mathdoc.fr/articles/10.4153/CMB-2000-042-x/ DO - 10.4153/CMB-2000-042-x ID - 10_4153_CMB_2000_042_x ER -