TY - JOUR AU - N. N. Tarkhanov TI - Uniform approximation by solutions of elliptic systems JO - Sbornik. Mathematics PY - 1988 SP - 351 EP - 377 VL - 61 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/SM_1988_61_2_a5/ LA - en ID - SM_1988_61_2_a5 ER -