@article{IM2_2003_67_2_a3, author = {A. S. Romanyuk}, title = {Best $M$-term trigonometric approximations of {Besov} classes of periodic functions of several variables}, journal = {Izvestiya. Mathematics }, pages = {265--302}, publisher = {mathdoc}, volume = {67}, number = {2}, year = {2003}, language = {en}, url = {http://geodesic.mathdoc.fr/item/IM2_2003_67_2_a3/} }