@article{DAN_1969_184_6_a4,
     author = {S. L. Krushkal'},
     title = {A certain approximation theorem for analytic functions, and its applications},
     journal = {Doklady Akademii Nauk},
     pages = {1277--1280},
     publisher = {mathdoc},
     volume = {184},
     number = {6},
     year = {1969},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1969_184_6_a4/}
}