@article{MZ_1991__207_2_174276,
     author = {James F. Davis and R.J. Milgram},
     title = {Free actions on products of spheres: {The} rational case.},
     journal = {Mathematische Zeitschrift},
     pages = {379--390},
     publisher = {mathdoc},
     volume = {207},
     number = {2},
     year = {1991},
     zbl = {0712.57015},
     url = {http://geodesic.mathdoc.fr/item/MZ_1991__207_2_174276/}
}