1. Normed Planes in Tangent Cone to Chord Space of Nonpositive Curvature

   • P. D. Andreev
   • V. V. Starostina

   OriginalPaper 11 June 2019 Pages: 1 - 13

2. Approximation of Non-Analytic Functions by Analytical Ones

   • H. H. Burchaev
   • G. Yu. Ryabykh

   OriginalPaper 11 June 2019 Pages: 14 - 23

3. Representing Systems of Exponentials in Projective Limits of Weighted Subspaces of A^∞(D)

   • K. P. Isaev

   OriginalPaper 11 June 2019 Pages: 24 - 34

4. On the Szegö and Poisson Kernels in the Convex Domains in ℂⁿ

   • S. G. Myslivets

   OriginalPaper 11 June 2019 Pages: 35 - 41

5. Nikolskii Inequalities for Trigonometric Polynomials in Different Metrics

   • M. K. Potapov
   • B. V. Simonov

   OriginalPaper 11 June 2019 Pages: 42 - 54

6. Nonlocal Problem With Saigo Operators for Mixed Type Equation of the Third Order

   • O. A. Repin

   OriginalPaper 11 June 2019 Pages: 55 - 60

7. On Irrationality Measure of arctan \(\frac{1}{3}\)

   • V. Kh. Salikhov
   • M. G. Bashmakova

   OriginalPaper 11 June 2019 Pages: 61 - 66

8. On the Existence of Solutions to Spatial Nonlinear Boundary Value Problems for Arbitrary Elastic Inhomogeneous Anisotropic Body

   • S. N. Timergaliev
   • R. S. Yakushev

   OriginalPaper 11 June 2019 Pages: 67 - 75

9. On Classification of Polynomial Hamiltonians With Nondegenerate Linearly Stable Singular Point

   • P. V. Bibikov

   Brief communications 11 June 2019 Pages: 76 - 78

10. Computational (Numerical) Diameter in a Context of General Theory of a Recovery

    • N. Temirgaliyev
    • A. Zh. Zhubanysheva

    Brief communications 11 June 2019 Pages: 79 - 86