@article{DAN_1985_284_5_a5,
     author = {A. N. Vibornov},
     title = {Exponents of zero-dimensional {Polish} spaces},
     journal = {Doklady Akademii Nauk},
     pages = {1053--1057},
     publisher = {mathdoc},
     volume = {284},
     number = {5},
     year = {1985},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1985_284_5_a5/}
}