@article{GDZPPN002075482,
title = {Communication.},
journal = {Elemente der Mathematik},
volume = {19},
year = {1964},
pages = {120-120},
url = {http://dml.mathdoc.fr/item/GDZPPN002075482}
}
Piccard, S. Communication.. Elemente der Mathematik, Tome 19 (1964) p. 120. http://gdmltest.u-ga.fr/item/GDZPPN002075482/