1. On the Geometry of Similarly Homogeneous ℝ-Trees

   • P. D. Andreev
   • A. I. Bulygin

   OriginalPaper 30 April 2020 Pages: 1 - 11

2. Integral Estimates for Laguerre Polynomials with Exponential Weight Function

   • R. M. Gadzhimirzaev

   OriginalPaper 30 April 2020 Pages: 12 - 20

3. Some Properties of Almost Abelian Lie Algebras

   • V. V. Gorbatsevich

   OriginalPaper 30 April 2020 Pages: 21 - 34

4. Darboux System and Separation of Variables in the Goursat Problem for a Third Order Equation in ℝ³

   • R. Ch. Kulaev
   • A. B. Shabat

   OriginalPaper 30 April 2020 Pages: 35 - 43

5. Regularization of a Nonstandard Cauchy Problem for a Dynamic Lame System

   • I. E. Niyozov

   OriginalPaper 30 April 2020 Pages: 44 - 53

6. The Approximation of Functions by Partial Sums of the Fourier Series in Polynomials Orthogonal on Arbitrary Grids

   • A. A. Nurmagomedov

   OriginalPaper 30 April 2020 Pages: 54 - 63

7. Numerical Methods for Solving Optimization Problems with Differential Linear Matrix Inequalities

   • A. I. Malikov
   • D. I. Dubakina

   OriginalPaper 17 March 2021 Pages: 64 - 74

8. Properties and Applications of the Distance Functions on Open Sets of the Euclidean Space

   • F. G. Avkhadiev

   Brief Communications 30 April 2020 Pages: 75 - 79

9. The Optimal Feedback Control Problem for Voigt Model with Variable Density

   • V. G. Zvyagin
   • M. V. Turbin

   Brief Communications 30 April 2020 Pages: 80 - 84