@article{DAN_1972_205_1_a9,
     author = {V. V. Filippov},
     title = {On the dimension of closed mappings},
     journal = {Doklady Akademii Nauk},
     pages = {40--43},
     publisher = {mathdoc},
     volume = {205},
     number = {1},
     year = {1972},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1972_205_1_a9/}
}