TY - JOUR AU - G. A. Akishev TI - Estimates for best approximations of functions from the logarithmic smoothness class in the Lorentz space JO - Trudy Instituta matematiki i mehaniki PY - 2017 SP - 3 EP - 21 VL - 23 IS - 3 UR - http://geodesic.mathdoc.fr/item/TIMM_2017_23_3_a0/ LA - ru ID - TIMM_2017_23_3_a0 ER -