On Peterson surfaces of constant Gaussian curvature Ya. P. BlankN. M. Gormashova OriginalPaper Pages: 2189 - 2190
Cylindricity of tangent bundles of strongly parabolic metrics and strongly parabolic surfaces A. A. BorisenkoA. L. Yampol'skií OriginalPaper Pages: 2197 - 2212
The realization of networks of convex polyhedra with equiangular vertices. 4 A. M. Gurin OriginalPaper Pages: 2213 - 2222
On a method of constructing the solutions of boundary-value problems of the theory of bendings of surfaces of positive curvature S. B. Klimentov OriginalPaper Pages: 2230 - 2248
A bound for the principal radii of curvature of a closed convex surface with prescribed function of the relative radii of curvature V. N. Kokarev OriginalPaper Pages: 2249 - 2256
Figures that are invariant with respect to certain infinite transformation groups A. I. Krivoruchko OriginalPaper Pages: 2257 - 2259
The Gauss-Bonnet theorem for the torsion-free hyperbolic connection space τ 3 0 T. V. Lubenskaya OriginalPaper Pages: 2260 - 2264
On the reductibility of the general existence problem for closed convex surfaces to Miranda's equation A. I. Medyanik OriginalPaper Pages: 2265 - 2272
On unique determination of convex surfaces in a pseudoriemannian spherical space. 1 A. D. Milka OriginalPaper Pages: 2273 - 2276
The existence of surfaces of nonpositive curvature with prescribed enveloping family of its asymptotes when the curvature vanishes along one of the asymptotes of this family V. V. Mozharskií OriginalPaper Pages: 2277 - 2283
An integral-free representation of a line complex with symmetric arrangement of inflection centers V. I. Myagkov OriginalPaper Pages: 2284 - 2290