@article{MAN_1990__287_1_164694,
     author = {Alejandro Adem and John Maginnis},
     title = {Symmetric invariants and cohomology of groups.},
     journal = {Mathematische Annalen},
     pages = {391--412},
     publisher = {mathdoc},
     volume = {287},
     number = {1},
     year = {1990},
     zbl = {0681.55013},
     url = {http://geodesic.mathdoc.fr/item/MAN_1990__287_1_164694/}
}