@article{SHC_1950-1951__3__A2_0,
     author = {Eilenberg, Samuel},
     title = {Homologie des groupes. {II} : existence},
     journal = {S\'eminaire Henri Cartan},
     note = {talk:2},
     pages = {1--5},
     publisher = {Secr\'etariat math\'ematique},
     volume = {3},
     year = {1950-1951},
     language = {fr},
     url = {http://archive.numdam.org/item/SHC_1950-1951__3__A2_0/}
}