@article{ELMA_1965__20_140800,
     author = {Arnold Kirsch},
     title = {Eine ordnungstheoretische {Charakterisierung} des elementaren {Fl\"acheninhalts.}},
     journal = {Elemente der Mathematik},
     pages = {32--35},
     publisher = {mathdoc},
     volume = {20},
     year = {1965},
     zbl = {0166.17803},
     url = {http://geodesic.mathdoc.fr/item/ELMA_1965__20_140800/}
}