@article{IM_1967__3_141871, author = {W. HANSEN}, title = {Konstruktion von {Halbgruppen} und {Markoffschen} {Prozessen.}}, journal = {Inventiones mathematicae}, pages = {179--214}, publisher = {mathdoc}, volume = {3}, year = {1967}, zbl = {0158.12803}, url = {http://geodesic.mathdoc.fr/item/IM_1967__3_141871/} }