TY  - JOUR
AU  - Wolfgang Kühnel
AU  - Markus Becker
TI  - Hypersurfaces with constant inner curvature of the second fundamental form, and the non-rigidity of the sphere.
JO  - Mathematische Zeitschrift
PY  - 1996
SP  - 693
EP  - 708
VL  - 223
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZ_1996__223_3_174946/
ID  - MZ_1996__223_3_174946
ER  -