%0 Journal Article %A L. G. Khachiyan %T The problem of calculating the~volume of a~polyhedron is enumerably hard %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1989 %P 199-200 %V 44 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/RM_1989_44_3_a13/ %G en %F RM_1989_44_3_a13