@article{GDZPPN002443422, title = {Affine isoparametric hypersurfaces.}, journal = {Mathematische Zeitschrift}, volume = {217}, year = {1994}, pages = {479-486}, zbl = {0826.53007}, url = {http://dml.mathdoc.fr/item/GDZPPN002443422} }
Niebergall, R.; Ryan, P.J. Affine isoparametric hypersurfaces.. Mathematische Zeitschrift, Tome 217 (1994) pp. 479-486. http://gdmltest.u-ga.fr/item/GDZPPN002443422/