%0 Journal Article %A Michael G. Cowling %A Stefano Meda %A Alberto G. Setti %T A weak type $(1,1)$ estimate for a maximal operator on a group of isometries of a homogeneous tree %J Colloquium Mathematicum %D 2010 %P 223-232 %V 118 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/cm118-1-12/ %R 10.4064/cm118-1-12 %G en %F 10_4064_cm118_1_12