@article{1195517989,
author = {Oda, Nobuyuki},
title = {On the $2$-components of the unstable homotopy groups of spheres, I},
journal = {Proc. Japan Acad. Ser. A Math. Sci.},
volume = {53},
number = {7},
year = {1977},
pages = { 202-205},
language = {en},
url = {http://dml.mathdoc.fr/item/1195517989}
}
Oda, Nobuyuki. On the $2$-components of the unstable homotopy groups of spheres, I. Proc. Japan Acad. Ser. A Math. Sci., Tome 53 (1977) no. 7, pp. 202-205. http://gdmltest.u-ga.fr/item/1195517989/