@article{TIMM_2017_23_3_a21,
     author = {S. A. Stasyuk},
     title = {Sparse trigonometric approximation of {Besov} classes of functions with small mixed smoothness},
     journal = {Trudy Instituta matematiki i mehaniki},
     pages = {244--252},
     year = {2017},
     volume = {23},
     number = {3},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TIMM_2017_23_3_a21/}
}