@article{DAN_1991_318_1_a6,
     author = {G. G. Magaril-Il'yaev},
     title = {Mean dimension and widths of classes of functions on the line},
     journal = {Doklady Akademii Nauk},
     pages = {35--38},
     publisher = {mathdoc},
     volume = {318},
     number = {1},
     year = {1991},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1991_318_1_a6/}
}