TY - JOUR AU - Graffi, S. AU - Grecchi, V. AU - Silverstone, H. J. TI - Resonances and convergence of perturbation theory for N-body atomic systems in external AC-electric field JO - Annales de l'I.H.P. Physique théorique PY - 1985 SP - 215 EP - 234 VL - 42 IS - 3 PB - Gauthier-Villars UR - http://www.numdam.org/item/AIHPA_1985__42_3_215_0/ LA - en ID - AIHPA_1985__42_3_215_0 ER -