@article{IM_1971__12_142072,
     author = {A. Pfister and J.K. Arason},
     title = {Beweis des {Krullschen} {Durchnittsatzes} f\"ur den {Wittring.}},
     journal = {Inventiones mathematicae},
     pages = {173--176},
     publisher = {mathdoc},
     volume = {12},
     year = {1971},
     url = {http://geodesic.mathdoc.fr/item/IM_1971__12_142072/}
}