@article{AA_2001_13_2_a6,
     author = {A. A. Pekarskii},
     title = {Rational approximations of functions with derivative in {a~V.} {I.~Smirnov} space},
     journal = {Algebra i analiz},
     pages = {165--190},
     year = {2001},
     volume = {13},
     number = {2},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AA_2001_13_2_a6/}
}