@article{MAN_1981__256_163507,
     author = {Hans Friedrich M\"unzner},
     title = {Isoparametrische {Hyperfl\"achen} in {Sph\"aren.} {II.} {\"Uber} die {Zerlegung} der {Sph\"are} in {Ballb\"undel.}},
     journal = {Mathematische Annalen},
     pages = {215--232},
     publisher = {mathdoc},
     volume = {256},
     year = {1981},
     zbl = {0438.53050},
     url = {http://geodesic.mathdoc.fr/item/MAN_1981__256_163507/}
}