@article{MAN_1992__293_4_164964,
     author = {Bruce Solomon},
     title = {Quartic isoparametric hypersurfaces and quadratic forms.},
     journal = {Mathematische Annalen},
     pages = {387--398},
     publisher = {mathdoc},
     volume = {293},
     number = {4},
     year = {1992},
     zbl = {0737.53055},
     url = {http://geodesic.mathdoc.fr/item/MAN_1992__293_4_164964/}
}