%0 Journal Article %A Shuichi Sato %T A weighted vector-valued weak type (1,1) inequality and spherical summation %J Studia Mathematica %D 1994 %P 159-170 %V 109 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/sm-109-2-159-170/ %R 10.4064/sm-109-2-159-170 %G en %F 10_4064_sm_109_2_159_170