@article{MOMA_1968__72_177445,
     author = {J\"org M. Wills},
     title = {Ein {Satz} \"uber konvexe {Mengen} und {Gitterpunkte.}},
     journal = {Monatshefte f\"ur Mathematik},
     pages = {451--463},
     publisher = {mathdoc},
     volume = {72},
     year = {1968},
     zbl = {0165.06402},
     url = {http://geodesic.mathdoc.fr/item/MOMA_1968__72_177445/}
}