@article{VMUMM_1985_6_a19,
     author = {A. N. Dranishnikov},
     title = {Hopf bundles and $n$-soft dimension-raising mappings},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {101--103},
     publisher = {mathdoc},
     number = {6},
     year = {1985},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_1985_6_a19/}
}