TY  - JOUR
AU  - Kai Lai Chung
TI  - On the Exponential Formulas of Semi-Group Theory.
JO  - Mathematica Scandinavica
PY  - 1962
SP  - 153
EP  - 162
VL  - 10
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MS2_1962__10_165798/
ID  - MS2_1962__10_165798
ER  -