TY  - JOUR
AU  - Stanisław Ewert-Krzemieniewski
TI  - Totally umbilical submanifolds in some
 semi-Riemannian manifolds
JO  - Colloquium Mathematicum
PY  - 2010
SP  - 269
EP  - 299
VL  - 119
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/cm119-2-8/
DO  - 10.4064/cm119-2-8
LA  - en
ID  - 10_4064_cm119_2_8
ER  -