%0 Journal Article %A Xijun Hu %A Shanzhong Sun %T Stability of relative equilibria and Morse index of central configurations %J Comptes Rendus. Mathématique %D 2009 %P 1309-1312 %V 347 %N 21-22 %I Elsevier %R 10.1016/j.crma.2009.09.023 %G en %F CRMATH_2009__347_21-22_1309_0