Mat. Tr., 2021, Volume 24, Number 2

JOURNALS // Matematicheskie Trudy // Archive

2021, Volume 24, Number 2

	Boundary value problems for one pseudohyperbolic equation in a quarter plane L. N. Bondar', G. V. Demidenko		3
	Completely reducible factors of harmonic polynomials of three variables V. M. Gichev		24
	Two-sided estimates of norms of a class of matrix operators A. A. Kalybay		37
	Solution to the Dirichlet problem for the polyharmonic equation in a ball V. V. Karachik		46
	Zero-One law for the rates of convergence in the Birkhoff ergodic theorem with continuous time A. G. Kachurovskii, I. V. Podvigin, A. A. Svishchev		65
	Multiply transitive Lie group of transformations as a physical structure V. A. Kyrov		81
	The inversion of series of resolvents of a closed operator and some of its applications A. R. Mirotin		105
	On the accuracy of approximation of the binomial distribution by the Poisson law S. V. Nagaev		122
	An exact constant on the estimation of the approximation error of classes of differentiable functions by the second-order Cesaro means O. G. Rovenskaya		150
	On universal functions in hereditarily finite superstructures A. N. Khisamiev		160
	Integrating the loaded KdV equation with a self-consistent source of integral type in the class of rapidly decreasing complex-valued functions U. A. Hoitmetov		181