TY - JOUR AU - S. N. Volkov TI - Optimal investment with operating costs proportional to the capital portfolio JO - Trudy Matematicheskogo Instituta imeni V.A. Steklova PY - 1996 SP - 1227 EP - 1228 VL - 51 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/RM_1996_51_6_a21/ LA - en ID - RM_1996_51_6_a21 ER -