TY - JOUR AU - B. S. Kashin AU - V. N. Temlyakov TI - On best $m$-term approximations and the entropy of sets in the space $L_1$ JO - Matematičeskie zametki PY - 1994 SP - 57 EP - 86 VL - 56 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_1994_56_5_a6/ LA - ru ID - MZM_1994_56_5_a6 ER -