@article{MAN_1961__144_160888,
     author = {M. Koecher},
     title = {Beitr\"age zu einer {Reduktionstheorie} in {Positivit\"atsbereichen.} {II.}},
     journal = {Mathematische Annalen},
     pages = {175--182},
     publisher = {mathdoc},
     volume = {144},
     year = {1961},
     zbl = {0099.01701},
     url = {http://geodesic.mathdoc.fr/item/MAN_1961__144_160888/}
}