@article{JRAM_1971__247_151091,
     author = {K. Kiyek},
     title = {Konstantenreduktion von {Ringen} und {Moduln.}},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {20--57},
     publisher = {mathdoc},
     volume = {247},
     year = {1971},
     zbl = {0214.48201},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1971__247_151091/}
}