%0 Journal Article %A A. I. Ivanov %A G. S. Lomakin %A O. A. Ponomarev %T Spectral representations for the time correlation functions of noninvariant systems in the theory of nonadiabatic transitions %J Teoretičeskaâ i matematičeskaâ fizika %D 1983 %P 448-458 %V 57 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/TMF_1983_57_3_a11/ %G ru %F TMF_1983_57_3_a11