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@article{AA_1992_4_6_a0, author = {M. Sh. Birman and D. R. Yafaev}, title = {Spectral properties of the scattering matrix}, journal = {Algebra i analiz}, pages = {1--27}, publisher = {mathdoc}, volume = {4}, number = {6}, year = {1992}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/AA_1992_4_6_a0/} }
M. Sh. Birman; D. R. Yafaev. Spectral properties of the scattering matrix. Algebra i analiz, Tome 4 (1992) no. 6, pp. 1-27. http://geodesic.mathdoc.fr/item/AA_1992_4_6_a0/