%0 Journal Article %T An optimal search for extrema of convex functions on lattices %J Diskretnaya Matematika %D 1990 %P 45-58 %V 2 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DM_1990_2_1_a13/ %G ru %F DM_1990_2_1_a13