@article{CMH_1942__15_138818,
     author = {Beno Eckmann},
     title = {Gruppentheoretischer {Beweis} des {Satzes} von {Hurwitz-Radon} \"uber die {Komposition} quadratischer {Formen.}},
     journal = {Commentarii mathematici Helvetici},
     pages = {358--366},
     publisher = {mathdoc},
     volume = {15},
     year = {1942},
     zbl = {0028.10402},
     url = {http://geodesic.mathdoc.fr/item/CMH_1942__15_138818/}
}