@article{MZ_1966__91_170527,
     author = {Karl-Heinz Hellwig},
     title = {Zur {Koecherschen} {Reduktionstheorie} in {Positivit\"atsbereichen.} {III.}},
     journal = {Mathematische Zeitschrift},
     pages = {355--362},
     publisher = {mathdoc},
     volume = {91},
     year = {1966},
     url = {http://geodesic.mathdoc.fr/item/MZ_1966__91_170527/}
}