@book{AST_1981__82-83_,
     author = {Collectif},
     title = {Caract\'eristique {d'Euler-Poincar\'e} - {S\'eminaire} {E.N.S.} 1978-1979},
     series = {Ast\'erisque},
     publisher = {Soci\'et\'e math\'ematique de France},
     number = {82-83},
     year = {1981},
     zbl = {0453.00007},
     language = {mul},
     url = {http://archive.numdam.org/item/AST_1981__82-83_/}
}