TY  - JOUR
AU  - Liu, Linqi
TI  - Propagation Of Singularities for Semilinear Hyperbolic Equations
JO  - Canadian journal of mathematics
PY  - 1993
SP  - 835
EP  - 846
VL  - 45
IS  - 4
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CJM-1993-047-1/
DO  - 10.4153/CJM-1993-047-1
ID  - 10_4153_CJM_1993_047_1
ER  -