Extension des applications - homotopie
Séminaire Henri Cartan, Volume 2 (1949-1950), Talk no. 1, 6 p.
@article{SHC_1949-1950__2__A1_0,
     author = {Serre, J-P.},
     title = {Extension des applications - homotopie},
     journal = {S\'eminaire Henri Cartan},
     note = {talk:1},
     pages = {1--6},
     publisher = {Secr\'etariat math\'ematique},
     volume = {2},
     year = {1949-1950},
     language = {fr},
     url = {http://www.numdam.org/item/SHC_1949-1950__2__A1_0/}
}
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Serre, J-P. Extension des applications - homotopie. Séminaire Henri Cartan, Volume 2 (1949-1950), Talk no. 1, 6 p. http://www.numdam.org/item/SHC_1949-1950__2__A1_0/

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