Two questions on the exterior geometry of the plücker embeddings of the Grassmann manifolds A. N. Glushakov OriginalPaper Pages: 2189 - 2193
Representation of functions of several variables by differences of convex functions V. A. Zalgaller OriginalPaper Pages: 2209 - 2227
Topology and a lorentz-invariant pseudo-riemannian metric of the manifold of directions in the physical space S. E. Kozlov OriginalPaper Pages: 2277 - 2283
Affine images of the rhombo-dodecahedron that are circumscribed about a three-dimensional convex body V. V. Makeev OriginalPaper Pages: 2307 - 2309