TY  - JOUR
AU  - T. Xio
AU  - J. Liang
TI  - Analyticity of the propagators of second order linear differential equations in Banach spaces.
JO  - Semigroup forum
PY  - 1992
SP  - 356
EP  - 363
VL  - 44
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SF_1992__44_1_135159/
ID  - SF_1992__44_1_135159
ER  -