@article{JRAM_1982__330_152409,
     author = {Wolfgang Gasch\"utz},
     title = {Linear abgeschlossene {Zahlenmengen.} {I.}},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {143--158},
     publisher = {mathdoc},
     volume = {330},
     year = {1982},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1982__330_152409/}
}