%0 Journal Article %A G. Akishev %T On estimates of the order of the best $M$-term approximations of~functions of several variables in the anisotropic Lorentz -- Zygmund space %J Izvestiya of Saratov University. Mathematics. Mechanics. Informatics %D 2023 %P 142-156 %V 23 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/ISU_2023_23_2_a0/ %G ru %F ISU_2023_23_2_a0