@article{JRAM_1969__237_150940,
     author = {Harald Scheid},
     title = {Einige {Ringe} zahlentheoretischer {Funktionen.}},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {1--11},
     publisher = {mathdoc},
     volume = {237},
     year = {1969},
     zbl = {0175.04102},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1969__237_150940/}
}