TY - JOUR AU - W. Banaszczyk TI - On the lattice packing--covering ratio of finite-dimensional normed spaces JO - Colloquium Mathematicum PY - 1990 SP - 31 EP - 33 VL - 59 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/cm-59-1-31-33/ DO - 10.4064/cm-59-1-31-33 LA - en ID - 10_4064_cm_59_1_31_33 ER -