@misc{ELMA_1947__2_140451,
     title = {Mitteilung.},
     journal = {Elemente der Mathematik},
     pages = {22--22},
     publisher = {mathdoc},
     volume = {2},
     year = {1947},
     url = {http://geodesic.mathdoc.fr/item/ELMA_1947__2_140451/}
}