%0 Journal Article %A E. A. Kochetov %T Rigorous results in the problem of two-level atom interaction with %J Doklady Akademii Nauk %D 1987 %P 331-334 %V 292 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1987_292_2_a16/ %G ru %F DAN_1987_292_2_a16