@article{SHC_1958-1959__11_1_A5_0, author = {Cartan, Henri}, title = {Suspension et invariant de {Hopf}}, journal = {S\'eminaire Henri Cartan}, note = {talk:5}, pages = {1--19}, publisher = {Secr\'etariat math\'ematique}, volume = {11}, number = {1}, year = {1958-1959}, language = {fr}, url = {http://www.numdam.org/item/SHC_1958-1959__11_1_A5_0/} }
Cartan, Henri. Suspension et invariant de Hopf. Séminaire Henri Cartan, Tome 11 (1958-1959) no. 1, Exposé no. 5, 19 p. http://www.numdam.org/item/SHC_1958-1959__11_1_A5_0/
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