@article{DAN_1976_228_1_a6,
     author = {A. V. Ostrovsky},
     title = {On open mappings of zero-dimensional spaces},
     journal = {Doklady Akademii Nauk},
     pages = {34--37},
     publisher = {mathdoc},
     volume = {228},
     number = {1},
     year = {1976},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1976_228_1_a6/}
}