@article{MOMA_1991__112_3_178541,
     author = {J.M. Wills and U. Schnell},
     title = {Two {Isoperimetric} {Inequalities} with {Lattice} {Constraints.}},
     journal = {Monatshefte f\"ur Mathematik},
     pages = {227--234},
     publisher = {mathdoc},
     volume = {112},
     number = {3},
     year = {1991},
     zbl = {0737.52008},
     url = {http://geodesic.mathdoc.fr/item/MOMA_1991__112_3_178541/}
}