TY - JOUR AU - Michael G. Cowling AU - Stefano Meda AU - Alberto G. Setti TI - A weak type $(1,1)$ estimate for a maximal operator on a group of isometries of a homogeneous tree JO - Colloquium Mathematicum PY - 2010 SP - 223 EP - 232 VL - 118 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/cm118-1-12/ DO - 10.4064/cm118-1-12 LA - en ID - 10_4064_cm118_1_12 ER -