@article{RM_1999_54_5_a18,
     author = {S. A. Stepin},
     title = {Perturbation of the spectrum and wave operators in linear transport theory},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {1049--1050},
     publisher = {mathdoc},
     volume = {54},
     number = {5},
     year = {1999},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RM_1999_54_5_a18/}
}