@article{DAN_1974_215_2_a6,
     author = {Yu. S. Nikol'skii},
     title = {Direct and inverse imbedding theorems for weighted classes of differentiable functions},
     journal = {Doklady Akademii Nauk},
     pages = {270--273},
     publisher = {mathdoc},
     volume = {215},
     number = {2},
     year = {1974},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1974_215_2_a6/}
}