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@article{AA_1990_2_5_a1, author = {A. I. Barvinok}, title = {The method of statistical sums in problems of combinatorial optimization}, journal = {Algebra i analiz}, pages = {63--79}, publisher = {mathdoc}, volume = {2}, number = {5}, year = {1990}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/AA_1990_2_5_a1/} }
A. I. Barvinok. The method of statistical sums in problems of combinatorial optimization. Algebra i analiz, Tome 2 (1990) no. 5, pp. 63-79. http://geodesic.mathdoc.fr/item/AA_1990_2_5_a1/