%0 Journal Article %A Alexandru D. Ionescu %T An endpoint estimate for the Kunze-Stein phenomenon and related maximal operators %J Annals of mathematics %D 2000 %V 152 %N 1 %U http://geodesic.mathdoc.fr/articles/10.2307/2661383/ %R 10.2307/2661383 %F 10_2307_2661383