%0 Journal Article %A Branson, Thomas %T Spectra of self-gradients on spheres. %J Journal of Lie Theory %D 1999 %P 491 %V 9 %N 2 %I mathdoc %U https://geodesic-test.mathdoc.fr/item/JLT_1999__9_2_225787/ %G en %F JLT_1999__9_2_225787