TY - JOUR AU - Xijun Hu AU - Shanzhong Sun TI - Stability of relative equilibria and Morse index of central configurations JO - Comptes Rendus. Mathématique PY - 2009 SP - 1309 EP - 1312 VL - 347 IS - 21-22 PB - Elsevier DO - 10.1016/j.crma.2009.09.023 LA - en ID - CRMATH_2009__347_21-22_1309_0 ER -