%0 Journal Article %A N. L. Kudryavtsev %T On connection of $m$-term and best approximations of some classes of sequences in the spaces $l_p$ %J Vestnik Moskovskogo universiteta. Matematika, mehanika %D 2020 %P 28-36 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/VMUMM_2020_1_a3/ %G ru %F VMUMM_2020_1_a3