TY - JOUR AU - L. G. Khachiyan TI - The problem of calculating the~volume of a~polyhedron is enumerably hard JO - Trudy Matematicheskogo Instituta imeni V.A. Steklova PY - 1989 SP - 199 EP - 200 VL - 44 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/RM_1989_44_3_a13/ LA - en ID - RM_1989_44_3_a13 ER -