Absorption and dispersion by a multiple driven two-level atom Z. Ficek, J. Seke, A. V. Soldatov, G. Adam and N. N. Bogolubov Jr Eur. Phys. J. D, 19 3 (2002) 411-419 Published online: 15 June 2002 DOI: 10.1140/epjd/e20020079