1. Dirichlet Problem in Parallelepiped for Elliptic Equation with Three Singular Coefficients

   • A. A. Abashkin
   • I. P. Egorova

   OriginalPaper 22 November 2019 Pages: 1 - 12

2. Application of Quadratic Lyapunov Functions to Investigation of Stability of Systems with Delay

   • O. G. Antonovskaya

   OriginalPaper 22 November 2019 Pages: 13 - 17

3. Summary Equation for Functions, which are Holomorphic Outside Two Triangles, and Its Applications

   • F. N. Garifiyanov

   OriginalPaper 22 November 2019 Pages: 18 - 23

4. Geometrical and Topological Properties of a Subspace P_f(X) of Probability Measures

   • A. A. Zaitov

   OriginalPaper 22 November 2019 Pages: 24 - 32

5. The Triangle Equality in Hilbert A-modules

   • A. V. Kalinichenko
   • M. A. Pliev

   OriginalPaper 22 November 2019 Pages: 33 - 39

6. Conditions for the Qualified Convergence of Finite Difference Methods and the Quasi-Reversibility Method for Solving Linear Ill-Posed Cauchy Problems in a Hilbert Space

   • M. M. Kokurin

   OriginalPaper 22 November 2019 Pages: 40 - 54

7. Total Poisson Boundedness of Solutions of \({\cal P}\)-Perturbed Complex Systems of Differential Equations

   • K. S. Lapin

   OriginalPaper 22 November 2019 Pages: 55 - 65

8. The Second Initial-Boundary Value Problem for a B-hyperbolic Equation

   • K. B. Sabitov
   • N. V. Zaitseva

   OriginalPaper 22 November 2019 Pages: 66 - 76

9. Projective Group Properties of h-Spaces of Type {221}

   • A. V. Aminova
   • D. R. Khakimov

   Brief Communications 22 November 2019 Pages: 77 - 83