@article{DAN_1957_114_4_a2,
     author = {A. G. Vitushkin},
     title = {The relation of variation of a set to the metric properties of its complement},
     journal = {Doklady Akademii Nauk},
     pages = {686--689},
     publisher = {mathdoc},
     volume = {114},
     number = {4},
     year = {1957},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1957_114_4_a2/}
}