@article{MZ_1990__205_3_174173,
     author = {Ulrich Pinkall and Gudlaugur Thorgergsson},
     title = {Examples of infinite dimensional isoparametric submanifolds.},
     journal = {Mathematische Zeitschrift},
     pages = {279--286},
     publisher = {mathdoc},
     volume = {205},
     number = {3},
     year = {1990},
     zbl = {0725.47018},
     url = {http://geodesic.mathdoc.fr/item/MZ_1990__205_3_174173/}
}