@article{ELMA_1952__7_140579,
     author = {J.-P. Sydler},
     title = {Sur les conditions n\'ecessaires pour l'\'equivalence des poly\`edres euclidiens.},
     journal = {Elemente der Mathematik},
     pages = {49--53},
     publisher = {mathdoc},
     volume = {7},
     year = {1952},
     zbl = {0048.13601},
     url = {http://geodesic.mathdoc.fr/item/ELMA_1952__7_140579/}
}