Obstruction primaire à la déformation
Séminaire Henri Cartan, Volume 13 (1960-1961) no. 1, Talk no. 4, 19 p. 
@article{SHC_1960-1961__13_1_A3_0,
     author = {Douady, Adrien},
     title = {Obstruction primaire \`a la d\'eformation},
     journal = {S\'eminaire Henri Cartan},
     publisher = {Secr\'etariat math\'ematique},
     volume = {13},
     number = {1},
     year = {1960-1961},
     note = {talk:4},
     zbl = {0156.42803},
     language = {fr},
     url = {http://www.numdam.org/item/SHC_1960-1961__13_1_A3_0}
}

Douady, Adrien. Obstruction primaire à la déformation. Séminaire Henri Cartan, Volume 13 (1960-1961) no. 1, Talk no. 4, 19 p. http://www.numdam.org/item/SHC_1960-1961__13_1_A3_0/

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