@article{ELMA_1964__19_140794,
     author = {S. Piccard},
     title = {Communication.},
     journal = {Elemente der Mathematik},
     pages = {120--120},
     publisher = {mathdoc},
     volume = {19},
     year = {1964},
     url = {http://geodesic.mathdoc.fr/item/ELMA_1964__19_140794/}
}