TY  - JOUR
AU  - Feng-Yu Wang
TI  - Semigroup properties for the second fundamental form
JO  - Documenta mathematica
PY  - 2010
SP  - 527
EP  - 543
VL  - 15
UR  - http://geodesic.mathdoc.fr/articles/10.4171/dm/305/
DO  - 10.4171/dm/305
ID  - 10_4171_dm_305
ER  -