@article{JRAM_1973__0262_0263_151343,
     author = {Eug\`ene Ehrhart},
     title = {Sur les syst\`emes d'in\'equations diophantiennes lin\'eaires.},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {45--57},
     publisher = {mathdoc},
     volume = {0262_0263},
     year = {1973},
     zbl = {0267.10022},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1973__0262_0263_151343/}
}