TY - JOUR AU - O. A. Emets AU - S. I. Nedobachii AU - L. N. Kolechkina TI - An irreducible system of constraints of a combinatorial polyhedron in a linear-fractional optimization problem on permutations JO - Diskretnaya Matematika PY - 2001 SP - 110 EP - 118 VL - 13 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DM_2001_13_1_a6/ LA - ru ID - DM_2001_13_1_a6 ER -