# Content of Volume 25, no.2, 2019

Author(s) Title of the Article  Page
*. Editorial BoardVitalii Ivanovich Berdyshev (On the Occasion of His 80th Birthday)
 7
G. AkishevOn the exactness of the inequality of different metrics for trigonometric polynomials in the generalized Lorentz space
 9
R.R. AkopyanApproximation of derivatives of analytic functions from one Hardy class by another Hardy class
 21
R.A. Aliev, Ch.A. GadjievaOn the approximation of the Hilbert transform
 30
S. BitimkhanConditions of absolute Cesaro summability of multiple trigonometric Fourier series
 42
A.A. Vasil'evaKolmogorov widths of Sobolev classes on a closed interval with constraints on the variation
 48
Yu.S. VolkovConvergence of quartic interpolation splines
 67
D.V. Gorbachev, V.I. IvanovNikol'skii - Bernstein constants for entire functions of exponential spherical type in weighted spaces
 75
A.R. Danilin, O.O. KovrizhnykhAsymptotics of the solution to a singularly perturbed time-optimal control problem with two small parameters
 88
N.A. Il'yasovMultivariate version of Turan's type inequality and its applications to the estimation of uniform moduli of smoothness of periodic functions
 102
K.G. KamalutdinovSelf-intersections in parametrized self-similar sets under translations and extensions of copies
 116
V.A. KyrovAnalytic embedding of three-dimensional simplicial geometries
 125
P.D. Lebedev, A.L. KazakovConstruction of optimal covers by disks of different radii for convex planar sets
 137
V.V. Napalkov, V.V. Napalkov, Jr.On the coincidence of reproducing kernel Hilbert spaces connected by a special transformation
 149
N.S. PauchenkoMarkov's weak inequality for algebraic polynomials on a closed interval
 160
E.A. PleschevaApproximation of functions by n-separate wavelets in the spaces ${L}^p(\mathbb{R})$, $1\leq p\leq\infty$
 167
A.V. PyatkinOn a list (k,l)-coloring of incidentors in multigraphs of even degree for some values of k and l
 177
F.S. StonyakinOn the adaptive proximal method for a class of variational inequalities and related problems
 185
Yu.N. Subbotin, N.I. ChernykhA numerical method for the solution of boundary value problems for a homogeneous equation with the squared Laplace operator with the use of interpolation wavelets
 198
Yu.N. Subbotin, V.T. ShevaldinA method of construction of local parabolic splines with additional knots
 205
V.G. TimofeevN. P. Kuptsov's method for the construction of an extremal function in an inequality between uniform norms of derivatives of functions on the half-line
 220
A.G. ChentsovSupercompact spaces of ultrafilters and maximal linked systems
 240
M.Sh. Shabozov, M.S. SaidusainovMean-square approximation of functions of a complex variable by Fourier sums in orthogonal systems
 258
V.I. ShmyrevPolyhedral complementarity on a simplex. Method of meeting paths for decreasing quasi-regular mappings
 273