TY - JOUR TI - An optimal search for extrema of convex functions on lattices JO - Diskretnaya Matematika PY - 1990 SP - 45 EP - 58 VL - 2 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DM_1990_2_1_a13/ LA - ru ID - DM_1990_2_1_a13 ER -