Curvature and homology of Riemannian manifolds with boundary.
A theorem on surfaces with a closed boundary.
Some integral formulas for closed hypersurfaces
Vector fields and infinitesimal transformations on riemannian manifolds with boundary
Submanifolds of Spheres.
The Group of Conformal Transformations of a Compact Riemannian Manifold.
Riemannian manifolds admitting certain conformal changes of metric
Conformal Changes of Metrics on a Riemannian Mainfold.
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