@article{GDZPPN002284405, title = {Smallest Lattice-Point Covering Convex Set.}, journal = {Mathematische Annalen}, volume = {129}, year = {1955}, pages = {265-273}, zbl = {0064.16801}, url = {http://dml.mathdoc.fr/item/GDZPPN002284405} }
Schäffer, J.J. Smallest Lattice-Point Covering Convex Set.. Mathematische Annalen, Tome 129 (1955) pp. 265-273. http://gdmltest.u-ga.fr/item/GDZPPN002284405/