Vol. 68, No. 10, 2024

Russian Mathematics

Rate of Convergence of Certain Fourier Series of Functions of Generalized Bounded Variation

R. K. Bera, and B. L. Ghodadra p. 1 abstract

Some New Congruences for Simultaneously s-Regular and t-Distinct Partition Function

P. Buragohain, and N. Saikia p. 14 abstract

On Some Extensions of π-Regular Rings

P. Danchev, A. Javan, and A. Moussavi p. 18 abstract

Coefficient Inverse Problem for an Equation of Mixed Parabolic-Hyperbolic Type with Nonlocal Conditions

D. K. Durdiev p. 28 abstract

Convergence of Trajectories of a Non-Volterra Quadratic Stochastic Operator

B. J. Mamurov p. 38 abstract

Propagation of Natural Waves in Plane Three-Layer Media

J. Z. Nuriddinov, B. Z. Nuriddinov, and Z. Sh. Ochilova p. 43 abstract

Countably Many Positive Solutions for System of Iterative System of Boundary Value Problems on Time Scales

K. R. Prasad, B. Sravani, and N. Sreedhar p. 52 abstract

Expansions of Eigenvalues of a Discrete Bilaplacian with a Two-Dimensional Perturbation

T. Kh. Rasulov, A. M. Khalkhuzhaev, M. A. Pardabaev, and Kh. G. Khayitova p. 66 abstract

Abelian Groups with Solvable Lie Endomorphism Rings

A. R. Chekhlov p. 78 abstract

The Simplest Transformation Model of Deformation of a Strip Fixed on a Double-Sided Support Element via Elastic Interlayers

V. N. Paimushin, and V. M. Shishkin p. 85 abstract