%0 Journal Article
%A S. A. Nazarov
%T The asymptotic behaviour of the scattering matrix in a neighbourhood of the endpoints of a spectral gap
%J Sbornik. Mathematics
%D 2017
%P 103-156
%V 208
%N 1
%U http://geodesic.mathdoc.fr/item/SM_2017_208_1_a5/
%G en
%F SM_2017_208_1_a5