@incollection{AST_1993__215__109_0,
     author = {Kumar, Shrawan and Vergne, Mich\`ele},
     title = {Equivariant cohomology with generalized coefficients},
     booktitle = {Sur la cohomologie \'equivariante des vari\'et\'es diff\'erentiables},
     series = {Ast\'erisque},
     pages = {109--204},
     year = {1993},
     publisher = {Soci\'et\'e math\'ematique de France},
     number = {215},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/AST_1993__215__109_0/}
}