@article{CMH_1991__66_4_140229,
     author = {Peter Symonds},
     title = {A splitting principle for group representations.},
     journal = {Commentarii mathematici Helvetici},
     pages = {169--184},
     year = {1991},
     volume = {66},
     number = {4},
     zbl = {0797.20008},
     url = {http://geodesic.mathdoc.fr/item/CMH_1991__66_4_140229/}
}