TY - JOUR AU - N. N. Tarkhanov TI - Approximation on compact sets by solutions of systems with surjective symbol JO - Trudy Matematicheskogo Instituta imeni V.A. Steklova PY - 1993 SP - 103 EP - 145 VL - 48 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/RM_1993_48_5_a2/ LA - en ID - RM_1993_48_5_a2 ER -