@article{MOMA_1982__93_178070, author = {Eberhard Sibert}, title = {Absolute {Continuity,} {Singularity,} and {Supports} of {Gauss} {Semigroups} on a {Lie} {Group.}}, journal = {Monatshefte f\"ur Mathematik}, pages = {239--254}, publisher = {mathdoc}, volume = {93}, year = {1982}, zbl = {0477.60008}, url = {http://geodesic.mathdoc.fr/item/MOMA_1982__93_178070/} }