%0 Journal Article %A Vodev, G. %T Sharp bounds on the number of resonances for symmetric systems %J Annales de l'I.H.P. Physique théorique %D 1995 %P 401-407 %V 62 %N 4 %I Gauthier-Villars %U http://www.numdam.org/item/AIHPA_1995__62_4_401_0/ %G en %F AIHPA_1995__62_4_401_0