@article{DAN_1984_278_1_a7,
     author = {M. M. Maryanovich},
     title = {Higher-order hyperspaces},
     journal = {Doklady Akademii Nauk},
     pages = {34--37},
     publisher = {mathdoc},
     volume = {278},
     number = {1},
     year = {1984},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1984_278_1_a7/}
}