TY - JOUR AU - L. Rosenberg BT - Physical Review A DA - Jan-12-1986 DO - 10.1103/PhysRevA.34.4567 PY - 1986 SP - 4567 EP - 4574 T2 - Physical Review A TI - Modified perturbation theory for scattering in a laser field UR - http://link.aps.org/doi/10.1103/PhysRevA.34.4567 VL - 34 SN - 0556-2791 ER -