@article{DAN_1957_116_5_a2,
     author = {I. M. Ganzburg},
     title = {A generalization of some results obtained by {S.} {M.~Nikolsky} and {A.} {F.~Timan}},
     journal = {Doklady Akademii Nauk},
     pages = {727--730},
     year = {1957},
     volume = {116},
     number = {5},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1957_116_5_a2/}
}