@article{JRAM_1979__0311_0312_152175,
     author = {E. Ehrhart},
     title = {Methode der periodischen {Zahlen} und {Doppelpartition.}},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {255--262},
     publisher = {mathdoc},
     volume = {0311_0312},
     year = {1979},
     zbl = {0409.05008},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1979__0311_0312_152175/}
}