@article{JRAM_1952__189_150203,
     author = {Albert Sade},
     title = {Omission dans les listes de {Norton} pour les carr\'es 7.7.},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {190--191},
     publisher = {mathdoc},
     volume = {189},
     year = {1952},
     zbl = {0045.15202},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1952__189_150203/}
}