@article{GDZPPN002487810,
title = {Two Isoperimetric Inequalities with Lattice Constraints.},
journal = {Monatshefte f\"ur Mathematik},
volume = {112},
year = {1991},
pages = {227-234},
zbl = {0737.52008},
url = {http://dml.mathdoc.fr/item/GDZPPN002487810}
}
Wills, J.M.; Schnell, U. Two Isoperimetric Inequalities with Lattice Constraints.. Monatshefte für Mathematik, Tome 112 (1991) pp. 227-234. http://gdmltest.u-ga.fr/item/GDZPPN002487810/