%0 Journal Article %A Loukas Grafakos %T Estimates for maximal singular integrals %J Colloquium Mathematicum %D 2003 %P 167-177 %V 96 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/cm96-2-2/ %R 10.4064/cm96-2-2 %G en %F 10_4064_cm96_2_2