%0 Journal Article
%A A. V. Sobolev
%A D. R. Yafaev
%T Spectral properties of an abstract scattering matrix
%J Informatics and Automation
%D 1990
%P 125-149
%V 188
%I mathdoc
%U http://geodesic.mathdoc.fr/item/TRSPY_1990_188_a6/
%G ru
%F TRSPY_1990_188_a6