%0 Journal Article
%A LIU, WEIJIU
%A WILLIAMS, GRAHAM H.
%T Exact Neumann boundary controllability for problems of transmission of the wave equation
%J Glasgow mathematical journal
%D 1999
%P 125-139
%V 41
%N 1
%U http://geodesic.mathdoc.fr/articles/10.1017/S0017089599970581/
%R 10.1017/S0017089599970581
%F 10_1017_S0017089599970581