@article{SHC_1948-1949__1__A9_0,
     author = {Cartan, H.},
     title = {Op\'erateurs d'homotopie (suite et fin) : d\'eformations ; homologie singuli\`ere d'un complexe simplicial},
     journal = {S\'eminaire Henri Cartan},
     note = {talk:9},
     pages = {1--6},
     publisher = {Secr\'etariat math\'ematique},
     volume = {1},
     year = {1948-1949},
     language = {fr},
     url = {http://www.numdam.org/item/SHC_1948-1949__1__A9_0/}
}