TY - JOUR AU - L. G. Labsker TI - Test closures of sets in a Banach space for linear functionals JO - Doklady Akademii Nauk PY - 1996 SP - 161 EP - 163 VL - 351 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1996_351_2_a3/ LA - ru ID - DAN_1996_351_2_a3 ER -