@article{GDZPPN002086891, title = {On Symmetric Maps of Spheres.}, journal = {Inventiones mathematicae}, volume = {5}, year = {1968}, pages = {8-18}, zbl = {0183.28203}, url = {http://dml.mathdoc.fr/item/GDZPPN002086891} }
Ucci, J.J. On Symmetric Maps of Spheres.. Inventiones mathematicae, Tome 5 (1968) pp. 8-18. http://gdmltest.u-ga.fr/item/GDZPPN002086891/