%0 Journal Article %A José María Martell %T Sharp maximal functions associated with approximations of the identity in spaces of homogeneous type and applications %J Studia Mathematica %D 2004 %P 113-145 %V 161 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/sm161-2-2/ %R 10.4064/sm161-2-2 %G en %F 10_4064_sm161_2_2