@article{DAN_1974_219_5_a7,
     author = {A. V. Ivanov},
     title = {On mappings of {Hausdorff} spaces},
     journal = {Doklady Akademii Nauk},
     pages = {1057--1060},
     year = {1974},
     volume = {219},
     number = {5},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1974_219_5_a7/}
}