%0 Journal Article %A A. I. Barvinok %T The method of statistical sums in problems of combinatorial optimization %J Algebra i analiz %D 1990 %P 63-79 %V 2 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/AA_1990_2_5_a1/ %G ru %F AA_1990_2_5_a1