@article{SHC_1949-1950__2__A17_0, author = {Wu, Wen-Ts\"un}, title = {Les classes caract\'eristiques d'un espace fibr\'e. {II}}, journal = {S\'eminaire Henri Cartan}, note = {talk:18}, pages = {1--5}, publisher = {Secr\'etariat math\'ematique}, volume = {2}, year = {1949-1950}, language = {fr}, url = {http://www.numdam.org/item/SHC_1949-1950__2__A17_0/} }
Wu, Wen-Tsün. Les classes caractéristiques d'un espace fibré. II. Séminaire Henri Cartan, Espaces fibrés et homotopie, Tome 2 (1949-1950), Exposé no. 18, 5 p. http://www.numdam.org/item/SHC_1949-1950__2__A17_0/
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