TY - JOUR AU - B. S. Kashin TI - Lower bounds for $m$-term approximations in the metric of the discrete spaceĀ $L_n^0$ JO - Trudy Matematicheskogo Instituta imeni V.A. Steklova PY - 2021 SP - 933 EP - 935 VL - 76 IS - 5 UR - http://geodesic.mathdoc.fr/item/RM_2021_76_5_a4/ LA - en ID - RM_2021_76_5_a4 ER -