TY  - JOUR
AU  - Guo, Bao-Zhu
AU  - Zhang, Zhi-Xiong
TI  - On the well-posedness and regularity of the wave equation with variable coefficients
JO  - ESAIM: Control, Optimisation and Calculus of Variations
PY  - 2007
SP  - 776
EP  - 792
VL  - 13
IS  - 4
PB  - EDP-Sciences
UR  - http://archive.numdam.org/articles/10.1051/cocv:2007040/
DO  - 10.1051/cocv:2007040
LA  - en
ID  - COCV_2007__13_4_776_0
ER  -