%0 Journal Article
%A Burq, Nicolas
%A Zworski, Maciej
%T Geometric control in the presence of a black box
%J Journal of the American Mathematical Society
%D 2004
%P 443-471
%V 17
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.1090/S0894-0347-04-00452-7/
%R 10.1090/S0894-0347-04-00452-7
%F 10_1090_S0894_0347_04_00452_7