On the Killing tensor fields on a compact Riemannian manifold.
The spectra and the symmetric structure on a compact symmetric space.
The Closed Geodesics of a Special Manifold.
Some Properties of the Curvature Operator of a Riemannian Manifold.
The Spectrum of the Bochner-Laplace Operator on the 1-Forms on a Compact Riemannian Manifold.
On the Surfaces Whose Normal Bundles Have Special Properties
The spectrum of the Laplace operator on conformally flat manifolds
Killing forms in a riemannian manifold with boundary
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