%0 Journal Article
%A M. Sh. Birman
%A M. G. Krein
%T On the theory of wave operators and scattering operators
%J Doklady Akademii Nauk
%D 1962
%P 475-478
%V 144
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1962_144_3_a2/
%G ru
%F DAN_1962_144_3_a2