@article{MAN_1974__211_162630, author = {Ernst A. Ruh and Karsten Grove and Hermann Karcher}, title = {Jacobi {Fields} and {Finsler} {Metrics} on {Compact} {Lie} {Groups} with an {Application} to {Differentiable} {Pinching} {Problems.}}, journal = {Mathematische Annalen}, pages = {7--22}, publisher = {mathdoc}, volume = {211}, year = {1974}, zbl = {0273.53051}, url = {http://geodesic.mathdoc.fr/item/MAN_1974__211_162630/} }