TY  - JOUR
AU  - J.M. Day
AU  - D.D. Weddington
TI  - Some conditions under which a continuous semigroup morphism is strongly differentiable.
JO  - Semigroup forum
PY  - 1987
SP  - 371
EP  - 374
VL  - 36
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SF_1987__36_134909/
ID  - SF_1987__36_134909
ER  -