%0 Journal Article %A Hansmartin Zeuner %T Laws of Large Numbers of Hypergroups on IR+. %J Mathematische Annalen %D 1989 %P 657-678 %V 283 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/MAN_1989__283_1_164532/ %F MAN_1989__283_1_164532