On the -theorem for hypersurfaces
On the Height of a Capillary Surface.
On the last geometric statement of Jacobi.
On the osculating spaces of submanifolds in Euclidean spaces
On the Second Order Infinitesimal Bendings of a Class of Toroids
On the semicontinuity of curvatures.
On the surface of Lorentz manifold whose normal bundles have special properties
On the Surfaces Whose Normal Bundles Have Special Properties
On the theorem of Meusnier in Weyl spaces
On the total mean curvature of a nonrigid surface.
On variation of the volume under infinitesimal bending of a closed rotational surface.
On Weingarten surfaces
Ovaloids with prescribed curvature of the second fundamental form
Oб однозначной опрeделённости некоторых классов поверхностей в пространстве Лобачевского