%0 Journal Article %A Ernst A. Ruh %A Karsten Grove %A Hermann Karcher %T Jacobi Fields and Finsler Metrics on Compact Lie Groups with an Application to Differentiable Pinching Problems. %J Mathematische Annalen %D 1974 %P 7-22 %V 211 %I mathdoc %U http://geodesic.mathdoc.fr/item/MAN_1974__211_162630/ %F MAN_1974__211_162630