%0 Journal Article %A P. Graczyk %A P. Sawyer %T A Sharp Criterion for the Existence of the Density in the Product Formula on Symmetric Spaces of Type An %J Journal of Lie theory %D 2010 %P 751-766 %V 20 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/JLT_2010_20_4_JLT_2010_20_4_a7/ %F JLT_2010_20_4_JLT_2010_20_4_a7