# Problemy Analiza - Issues of Analysis. Volume 8 (26) № 3 2019

This issue is dedicated to the 100th anniversary of the outstanding mathematician Nikolay Andreevich Lebedev.

 Akniyev G. G. Approximation properties of some discrete Fourier sums for piecewise smooth discontinuous functionsDownloads: 95 3 - 15 Alexeeva T. A., Shirokov N. A. CONSTRUCTIVE DESCRIPTION OF FUNCTION CLASSES ON SURFACES IN R^3 AND R^4Downloads: 79 16 - 23 Aloui B. , Khériji L. Connection formulas and representations of Laguerre polynomials in terms of the action of linear differential operatorsDownloads: 107 24 - 37 Dubinin V. N. Green energy and extremal decompositionsDownloads: 69 38 - 44 Dudnikova T. V. The limiting amplitude principle for the nonlinear Lamb systemDownloads: 61 45 - 62 Kuzhaev A. F. On the necessary and sufficient conditions for the measurability of a positive sequenceDownloads: 104 63 - 72 Losev A. G., Mazepa E. A. On solvability of the boundary value problems for harmonic function on noncompact Riemannian manifoldsDownloads: 66 73 - 82 Lysov V. G. INTEGRAL REPRESENTATIONS FOR THE JACOBI–PINEIRO POLYNOMIALS AND THE FUNCTIONS OF THE SECOND KINDDownloads: 63 83 - 95 Malyutin K. G., Gusev A. L. Geometric meaning of the interpolation conditions in the class of functions of finite order in the half-planeDownloads: 64 96 - 104 Matejíčka L. Proof of a Conjecture on NielsenDownloads: 79 105 - 111 Moosavi B. , Moradi H. R., Shah Hosseini M. Further results on Jensen-type inequalitiesDownloads: 120 112 - 124 Naik S. , Nath P. K. A NOTE ON A TWO-PARAMETER FAMILY OF OPERATORS ${\mathcal A}^{b,c}$ ON WEIGHTED BERGMAN SPACESDownloads: 72 125 - 136 Porselvi K. , Elavarasan B. On hybrid interior ideals in semigroupsDownloads: 97 137 - 146 Shcherbakov E. A., Avdeyev I. A. ON THE COMPACTNESS OF ONE CLASS OF QUASICONFORMAL MAPPINGSDownloads: 49 147 - 151 Starkov V. V. The Jacobian conjecture: structure of Keller mappingsDownloads: 80 152 - 165 Sultanakhmedov M. S. On the convergence of the least square method in case of non-uniform gridsDownloads: 83 166 - 186 Volosivets S. S. Double cosine-sine series and Nikol'skii classes in uniform metricDownloads: 77 187 - 203