TY  - JOUR
AU  - Z. Olszak
TI  - On totally umbilical surfaces in some Riemannian spaces
JO  - Colloquium Mathematicum
PY  - 1971
SP  - 105
EP  - 111
VL  - 37
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/cm-37-1-105-111/
DO  - 10.4064/cm-37-1-105-111
LA  - en
ID  - 10_4064_cm_37_1_105_111
ER  -