%0 Journal Article %A Mohammed Lemou %A Florian Méhats %A Pierre Raphaël %T A new variational approach to the stability of gravitational systems %J Comptes Rendus. Mathématique %D 2009 %P 979-984 %V 347 %N 15-16 %I Elsevier %R 10.1016/j.crma.2009.06.005 %G en %F CRMATH_2009__347_15-16_979_0