%0 Journal Article %A Roger L. Jones %T An exponential estimate for convolution powers %J Studia Mathematica %D 1999 %P 195-202 %V 137 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/sm-137-2-195-202/ %R 10.4064/sm-137-2-195-202 %G en %F 10_4064_sm_137_2_195_202