Acknowledgement
Supported by : Chonnam National University
References
- Soochow J. Math. v.27 no.4 Constant-ratio hypersurfaces Chen, B.Y.
- Beitrage Algebra Geom. v.44 no.1 More on convolution of Riemannian manifolds Chen, B.Y.
- Arch. Math. v.57 Hypersurfaces with a constant support function Hasanis, T.;Koutroufiotis, D.