@article{MAN_1988__282_2_164447,
     author = {Andreas Schief},
     title = {Topological {Properties} of the {Additon} {Map} in {Spaces} of {Borel} {Measures.}},
     journal = {Mathematische Annalen},
     pages = {23--32},
     publisher = {mathdoc},
     volume = {282},
     number = {2},
     year = {1988},
     zbl = {0629.28010},
     url = {http://geodesic.mathdoc.fr/item/MAN_1988__282_2_164447/}
}