@article{1178245420,
author = {Aoki, Kiyoshi},
title = {On maps of a $(2n-1)$-dimensional sphere into an $n$-dimensional sphere},
journal = {Tohoku Math. J. (2)},
volume = {4},
number = {3},
year = {1952},
pages = { 178-186},
language = {en},
url = {http://dml.mathdoc.fr/item/1178245420}
}
Aoki, Kiyoshi. On maps of a $(2n-1)$-dimensional sphere into an $n$-dimensional sphere. Tohoku Math. J. (2), Tome 4 (1952) no. 3, pp. 178-186. http://gdmltest.u-ga.fr/item/1178245420/