%0 Journal Article %A G. A. Akishev %T Estimates for Kolmogorov widths of the Nikol'skii — Besov — Amanov classes in the Lorentz space %J Trudy Instituta matematiki i mehaniki %D 2015 %P 3-13 %V 21 %N 4 %U http://geodesic.mathdoc.fr/item/TIMM_2015_21_4_a0/ %G ru %F TIMM_2015_21_4_a0