@article{MAN_1955__129_160433,
     author = {J.J. Sch\"affer},
     title = {Smallest {Lattice-Point} {Covering} {Convex} {Set.}},
     journal = {Mathematische Annalen},
     pages = {265--273},
     year = {1955},
     volume = {129},
     zbl = {0064.16801},
     url = {http://geodesic.mathdoc.fr/item/MAN_1955__129_160433/}
}