@article{GDZPPN00210315X,
title = {Convexity theorem for isoparametric submanifolds.},
journal = {Inventiones mathematicae},
volume = {83},
year = {1986},
pages = {487-492},
zbl = {0615.53048},
url = {http://dml.mathdoc.fr/item/GDZPPN00210315X}
}
Terng, Ch. L. Convexity theorem for isoparametric submanifolds.. Inventiones mathematicae, Tome 83 (1986) pp. 487-492. http://gdmltest.u-ga.fr/item/GDZPPN00210315X/