TY - JOUR AU - M. O. Avdeeva AU - V. A. Bykovskii TI - Refinement of Vahlen's Theorem for Minkowski Bases of Three-Dimensional Lattices JO - Matematičeskie zametki PY - 2006 SP - 163 EP - 168 VL - 79 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_2006_79_2_a0/ LA - ru ID - MZM_2006_79_2_a0 ER -