On A second local minimum of the density of the lattice covering of a four-dimensional Euclidean space by similar spheres E. P. BaranovskiiS. S. Ryshkov OriginalPaper Pages: 583 - 590
Problem of conjugacy and coincidence with the anticenter in group theory M. Greendlinger OriginalPaper Pages: 626 - 640
Boundary-value problems with shift on abstract Riemann surfaces É. I. Zverovich OriginalPaper Pages: 641 - 652
Maximal k-decomposable sets of permutations of degree n S. S. Kislitsyn OriginalPaper Pages: 658 - 662
Asymptotic behavior of optimum trajectories of linear economic models V. L. Makarov OriginalPaper Pages: 663 - 680
Representation of universal algebras by commutative semigroups Yu. K. Rebane OriginalPaper Pages: 698 - 703
Some geometrical properties of functions and mappings with generalized derivatives Yu. G. Reshetnyak OriginalPaper Pages: 704 - 732
Dirichlet problem for elliptic systems of second order differential equations not satisfying Ya. B. Lopatinskii's condition N. E. Tovmasyan OriginalPaper Pages: 733 - 748
Infinitesimal deformations of convex surfaces with generalized sliding at the boundary V. T. Fomenko OriginalPaper Pages: 749 - 761
An integral representation of the absolute mean integral curvature of a polyhedral surface and consequences of this representation I. A. Danelich Notes Pages: 762 - 767
Rigidity of surfaces of positive external curvature with boundaries in a Riemann space V. T. Fomenko BriefCommunication Pages: 768 - 770