@article{MZM_1988_43_6_a6,
     author = {V. N. Temlyakov},
     title = {Approximation by elements of a finite-dimensional subspace of functions from various {Sobolev} or {Nikol'skii} spaces},
     journal = {Matemati\v{c}eskie zametki},
     pages = {770--785},
     publisher = {mathdoc},
     volume = {43},
     number = {6},
     year = {1988},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1988_43_6_a6/}
}