%0 Journal Article %A Paul Alton Hagelstein %T A note on rare maximal functions %J Colloquium Mathematicum %D 2003 %P 49-51 %V 95 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/cm95-1-4/ %R 10.4064/cm95-1-4 %G en %F 10_4064_cm95_1_4