%0 Journal Article %A S. A. Stepin %T Perturbation of the spectrum and wave operators in linear transport theory %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1999 %P 1049-1050 %V 54 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/RM_1999_54_5_a18/ %G en %F RM_1999_54_5_a18