@article{AA_2001_13_4_a1,
     author = {D. Z. Arov},
     title = {Scattering matrix and the impedance of a~canonical differential system with a~dissipative boundary condition in the case where the coefficient is a~rational matrix-valued function of the spectral parameter},
     journal = {Algebra i analiz},
     pages = {26--53},
     publisher = {mathdoc},
     volume = {13},
     number = {4},
     year = {2001},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AA_2001_13_4_a1/}
}