@article{ELMA_1978__33_141218,
     author = {M. Jeger},
     title = {Bericht.},
     journal = {Elemente der Mathematik},
     pages = {123--125},
     publisher = {mathdoc},
     volume = {33},
     year = {1978},
     url = {http://geodesic.mathdoc.fr/item/ELMA_1978__33_141218/}
}