TY  - JOUR
AU  - M. Jotz
AU  - K.-H. Neeb 
TI  - Closedness of the Tangent Spaces to the Orbits of Proper Actions
JO  - Journal of Lie theory
PY  - 2008
SP  - 517
EP  - 521
VL  - 18
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/JLT_2008_18_3_JLT_2008_18_3_a1/
ID  - JLT_2008_18_3_JLT_2008_18_3_a1
ER  -