@article{10_4064_cm_59_1_31_33,
     author = {W. Banaszczyk},
     title = {On the lattice packing--covering ratio of finite-dimensional normed spaces},
     journal = {Colloquium Mathematicum},
     pages = {31--33},
     publisher = {mathdoc},
     volume = {59},
     number = {1},
     year = {1990},
     doi = {10.4064/cm-59-1-31-33},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm-59-1-31-33/}
}