@article{GDZPPN002429527, title = {Isoparametric Hypersurfaces in the Pseudo-Riemannian Space Forms.}, journal = {Mathematische Zeitschrift}, volume = {185}, year = {1984}, pages = {195-208}, zbl = {0529.53046}, url = {http://dml.mathdoc.fr/item/GDZPPN002429527} }
Hahn, Jörg. Isoparametric Hypersurfaces in the Pseudo-Riemannian Space Forms.. Mathematische Zeitschrift, Tome 185 (1984) pp. 195-208. http://gdmltest.u-ga.fr/item/GDZPPN002429527/