TY - JOUR AU - A. I. Barvinok TI - Statistical sums in optimization and computational problems JO - Algebra i analiz PY - 1992 SP - 3 EP - 53 VL - 4 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/AA_1992_4_1_a0/ LA - ru ID - AA_1992_4_1_a0 ER -