%0 Journal Article
%A M. Sh. Birman
%T A local criterion for the existence of wave operators
%J Doklady Akademii Nauk
%D 1964
%P 485-488
%V 159
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1964_159_3_a2/
%G ru
%F DAN_1964_159_3_a2