no. 2
Opérations cohomologiques secondaires
Séminaire Henri Cartan, Tome 11 (1958-1959) no. 2, Exposé no. 13, 20 p. 
@article{SHC_1958-1959__11_2_A4_0,
     author = {Cartan, Henri},
     title = {Op\'erations cohomologiques secondaires},
     journal = {S\'eminaire Henri Cartan},
     note = {talk:13},
     publisher = {Secr\'etariat math\'ematique},
     volume = {11},
     number = {2},
     year = {1958-1959},
     language = {fr},
     url = {http://archive.numdam.org/item/SHC_1958-1959__11_2_A4_0/}
}
TY  - JOUR
AU  - Cartan, Henri
TI  - Opérations cohomologiques secondaires
JO  - Séminaire Henri Cartan
N1  - talk:13
PY  - 1958-1959
DA  - 1958-1959///
VL  - 11
IS  - 2
PB  - Secrétariat mathématique
UR  - http://archive.numdam.org/item/SHC_1958-1959__11_2_A4_0/
LA  - fr
ID  - SHC_1958-1959__11_2_A4_0
ER  - 
Cartan, Henri. Opérations cohomologiques secondaires. Séminaire Henri Cartan, Tome 11 (1958-1959) no. 2, Exposé no. 13, 20 p. http://archive.numdam.org/item/SHC_1958-1959__11_2_A4_0/

[1] Adams (J.F.). - Non-existence of elements of Hopf-invariant one. - Princeton, 1958, multigraphié.