%0 Journal Article %A Andreas Schief %T Topological Properties of the Additon Map in Spaces of Borel Measures. %J Mathematische Annalen %D 1988 %P 23-32 %V 282 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/MAN_1988__282_2_164447/ %F MAN_1988__282_2_164447