Vol. 66, No. 12, 2022

Russian Mathematics

Classical Solutions for the Coupled System gKdV Equations

S. G. Georgiev, A. Boukarou and Kh. Zennir p. 1 abstract

Controlled g-Atomic Subspaces for Operators in Hilbert Spaces

Prasenjit Ghosh and Tapas K. Samanta p. 16 abstract

Stability Criterion for Linear Differential Equations with a Delayed Argument

S. A. Gusarenko p. 33 abstract

The Tricomi Problem for a Difference–Differential Equation of Mixed Type in an Unbounded Domain

A. N. Zarubin and E. V. Chaplygina p. 53 abstract

Reducibility by Means of Almost Polynomial Functions

S. S. Marchenkov p. 62 abstract

Some Remarks and Results on h-Almost Ricci Solitons

Hamed Faraji and Shahroud Azami p. 71 abstract

Problem of Generators in a Single Ring of Entire Functions of Several Complex Variables

V. N. Filippov p. 76 abstract

Fully Inert Subgroups of Completely Decomposable Groups with Homogeneous Components of Finite Rank

A. R. Chekhlov p. 82 abstract

The Markoff Theory and the Commutator Subgroup SL(2, Z)'

Paul Schmutz Schaller p. 91 abstract

Identification of the Potential Coefficient in the Wave Equation with Incomplete Data: A Sentinel Method

Billal Elhamza and Abdelhak Hafdallah p. 102 abstract

On a Combined Primality Test

S. T. Ishmukhametov, N. A. Antonov, B. G. Mubarakov and R. G. Rubtsova p. 112 abstract