@misc{ELMA_1948__3_140486,
     title = {Kleine {Mitteilungen.}},
     journal = {Elemente der Mathematik},
     pages = {65--68},
     publisher = {mathdoc},
     volume = {3},
     year = {1948},
     url = {http://geodesic.mathdoc.fr/item/ELMA_1948__3_140486/}
}