@article{1206138527,
author = {Oka, Shichir\^o},
title = {On the homotopy groups of sphere bundles over spheres},
journal = {J. Sci. Hiroshima Univ. Ser. A-I Math.},
volume = {33},
number = {1},
year = {1969},
pages = { 161-195},
language = {en},
url = {http://dml.mathdoc.fr/item/1206138527}
}
Oka, Shichirô. On the homotopy groups of sphere bundles over spheres. J. Sci. Hiroshima Univ. Ser. A-I Math., Tome 33 (1969) no. 1, pp. 161-195. http://gdmltest.u-ga.fr/item/1206138527/