%0 Journal Article %A Kelly, Brian P. %T A Dimension-Free Weak-Type Estimate for Operators on UMD-Valued Functions %J Canadian mathematical bulletin %D 2000 %P 355-361 %V 43 %N 3 %U http://geodesic.mathdoc.fr/articles/10.4153/CMB-2000-042-x/ %R 10.4153/CMB-2000-042-x %F 10_4153_CMB_2000_042_x