@article{VMUMM_2020_1_a3, author = {N. L. Kudryavtsev}, title = {On connection of $m$-term and best approximations of some classes of sequences in the spaces $l_p$}, journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika}, pages = {28--36}, publisher = {mathdoc}, number = {1}, year = {2020}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/VMUMM_2020_1_a3/} }