@article{CMH_1989__64_1_140146,
     author = {Stefan Bauer},
     title = {A linearity theorem for group actions on spheres with applications to homotopy representations.},
     journal = {Commentarii mathematici Helvetici},
     pages = {167--172},
     publisher = {mathdoc},
     volume = {64},
     number = {1},
     year = {1989},
     zbl = {0676.57016},
     url = {http://geodesic.mathdoc.fr/item/CMH_1989__64_1_140146/}
}