Hypersurfaces of Einstein manifolds Norihito Koiso (1981) Annales scientifiques de l'École Normale Supérieure
Hypersurfaces with constant inner curvature of the second fundamental form, and the non-rigidity of the sphere. Wolfgang Kühnel, Markus Becker (1996) Mathematische Zeitschrift
Hypersurfaces with Constant Scalar Curvature. Shing-Tung Yau, Shiu-Yen Cheng (1977) Mathematische Annalen
Hypersurfaces with constant scalar curvature in space forms. Haizhong Li (1996) Mathematische Annalen