TY  - JOUR
AU  - Ianus, S.
AU  - Rizza, G.B.
TI  - On sectional and bisectional curvature of the -umbilical submanifolds.
JO  - International Journal of Mathematics and Mathematical Sciences
PY  - 2002
SP  - 17
VL  - 32
IS  - 1
PB  - mathdoc
UR  - https://geodesic-test.mathdoc.fr/articles/10.1155/S0161171202201167/
DO  - 10.1155/S0161171202201167
LA  - en
ID  - 10_1155_S0161171202201167
ER  -