Michor, Peter W. Max Planck Institute for Mathematics, Max Planck Society;
Alekseevsky, Dmitri Max Planck Institute for Mathematics, Max Planck Society;
Michor, P. W., Alekseevsky, D., Kriegl, A., & Losik, M. (2003). The Riemannian geometry of orbit spaces - the metric, geodesics, and integrable systems. Publicationes Mathematicae, 62, 247-276.