Voir la notice de l'article provenant de la source Numdam
@article{CM_1986__59_1_113_0, author = {Berger, Marc A. and Friedland, Shmuel}, title = {The generalized {Radon-Hurwitz} numbers}, journal = {Compositio Mathematica}, pages = {113--146}, publisher = {Martinus Nijhoff Publishers}, volume = {59}, number = {1}, year = {1986}, mrnumber = {850125}, zbl = {0599.10014}, language = {en}, url = {http://geodesic.mathdoc.fr/item/CM_1986__59_1_113_0/} }
Berger, Marc A.; Friedland, Shmuel. The generalized Radon-Hurwitz numbers. Compositio Mathematica, Tome 59 (1986) no. 1, pp. 113-146. http://geodesic.mathdoc.fr/item/CM_1986__59_1_113_0/