@article{MZM_1994_56_4_a12,
     author = {A. A. Pekarskii},
     title = {Uniform rational approximations and {Hardy{\textendash}Sobolev} spaces},
     journal = {Matemati\v{c}eskie zametki},
     pages = {132--140},
     year = {1994},
     volume = {56},
     number = {4},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1994_56_4_a12/}
}