Vol. 41, No. 11, 2020

Lobachevskii Journal of Mathematics

On Boundary Extension of Sobolev Classes with Critical Exponent by Prime Ends

E. Afanas’eva, V. Ryazanov, R. Salimov, E. Sevost’yanov p. 2091 abstract

On the Approximate Solution of a Class of Nonlinear Multidimensional Weakly Singular Integral Equations

Yu. R. Agachev, R. K. Gubaidullina p. 2103 abstract

Bohr–Rogosinski Inequalities for Bounded Analytic Functions

Seraj A. Alkhaleefah, Ilgiz R. Kayumov, Saminathan Ponnusamy p. 2110 abstract

A Strong Form of Hardy Type Inequalities on Domains of the Euclidean Space

F. G. Avkhadiev p. 2120 abstract

On the Existence of Periodic and Bounded Solutions for Functional Differential Equations of Pointwise Type with a Strongly Nonlinear Right-Hand Side

L. A. Beklaryan, A. L. Beklaryan p. 2136 abstract

Series with Integer Coefficients by Systems of Contractions and Shifts of One Function

V. I. Filippov p. 2143 abstract

A Summary Equation for Functions Holomorphic Outside Two Quadrangles, with Application

F. N. Garif’yanov, E. V. Strezhneva p. 2149 abstract

The Dirichlet Problem for an Equation of Mixed Type with Two Internal Lines of Type Change

A. Gimaltdinova p. 2155 abstract

On the Convergence of a Polynomial Projection Methods for One Class of Fractional Differential Equations

A. V. Guskova p. 2168 abstract

Balayage of Measures with Respect to (Sub-)Harmonic Functions

B. N. Khabibullin p. 2179 abstract

Eigenfunctions of the Laplace Operator and Harmonic Functions on Model Riemannian Manifolds

A. Losev, E. Mazepa, I. Romanova p. 2190 abstract

Weighted Hardy Type Inequalities and Parametric Lamb Equation

R. V. Makarov, R. G. Nasibullin, G. R. Shaymardanova p. 2198 abstract

Multiple Interpolation by the Functions of Finite Order in the Half-Plane

K. Malyutin, M. Kabanko p. 2211 abstract

Families of Elliptic Functions, Realizing Coverings of the Sphere, with Branch-Points and Poles of Arbitrary Multiplicities

S. Nasyrov p. 2223 abstract

On Mathematical Aspects of Analyzing the Structure of Complex Systems Using Weighted Digraphs

V. P. Osipov, Yu. G. Rykov p. 2231 abstract

Well-Posedness and Uniform Approximations of the Solution of a Boundary Value Problem for a Singular Integro-Differential Equation

A. V. Ozhegova, L. E. Khairullina p. 2239 abstract

Exact Solutions of the Multiple Loewner Equation

D. Prokhorov p. 2248 abstract

Initial-Boundary Problem for a Three-Dimensional Inhomogeneous Equation of Parabolic-Hyperbolic Type

K. B. Sabitov, S. N. Sidorov p. 2257 abstract

The First Boundary Problem for a Mixed Type Equation with Characteristic Degeneracy with Discontinuous Frankl Condition

Yu. Sabitova p. 2269 abstract

On the Parametric Continuation Method in $\boldsymbol{R}^{\boldsymbol{n}}$

M. A. Sevodin p. 2282 abstract

Extreme Problems Related to the Approximation of the Lebesgue Constant of a Fourier Operator by a Logarithmic Function

I. A. Shakirov p. 2287 abstract

Asymptotics for Hermite–Padé Approximants Associated with the Mittag-Leffler Functions

A. P. Starovoitov, E. P. Kechko p. 2295 abstract