TY  - DATA
AU  - Hofmann, Karl Heinrich.
AU  - Ruppert, Wolfgang,
TI  - Lie groups and subsemigroups with surjective exponential fuction 
T2  - Memoirs of the American Mathematical Society, 
SN  - 9781470402075 (online)
PY  - 1997///
CY  - Providence, R.I.
PB  - American Mathematical Society
UR  - http://www.ams.org/memo/0618
ER  -