@article{1178244440, author = {Aoki, Kiyoshi}, title = {On cohomotopy groups of S. S. Triad}, journal = {Tohoku Math. J. (2)}, volume = {12}, number = {3}, year = {1960}, pages = { 263-280}, language = {en}, url = {http://dml.mathdoc.fr/item/1178244440} }
Aoki, Kiyoshi. On cohomotopy groups of S. S. Triad. Tohoku Math. J. (2), Tome 12 (1960) no. 3, pp. 263-280. http://gdmltest.u-ga.fr/item/1178244440/