%0 Journal Article
%A M. Sh. Birman
%T Scattering problems for differential operators with constant coefficients
%J Funkcionalʹnyj analiz i ego priloženiâ
%D 1969
%P 1-16
%V 3
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/FAA_1969_3_3_a0/
%G ru
%F FAA_1969_3_3_a0