TY  - JOUR
AU  - LIU, WEIJIU
AU  - WILLIAMS, GRAHAM H.
TI  - Exact Neumann boundary controllability for problems of transmission of the wave equation
JO  - Glasgow mathematical journal
PY  - 1999
SP  - 125
EP  - 139
VL  - 41
IS  - 1
UR  - http://geodesic.mathdoc.fr/articles/10.1017/S0017089599970581/
DO  - 10.1017/S0017089599970581
ID  - 10_1017_S0017089599970581
ER  -