@article{SM_1995_83_1_a11,
     author = {A. V. Rybkin},
     title = {The spectral shift function, the~characteristic function of a~contraction, and a~generalized integral},
     journal = {Sbornik. Mathematics},
     pages = {237--281},
     publisher = {mathdoc},
     volume = {83},
     number = {1},
     year = {1995},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1995_83_1_a11/}
}