Construction of Floquet–Bloch Solutions and Estimation of Lengths of Resonance Zones of One-Dimensional Schrödinger Equation with Smooth Potential O. M. DenysenkoI. O. Parasyuk OriginalPaper Pages: 1 - 21
Application of Potential and Vortex Fields to the Description of Gravitation and Electromagnetism V. M. Ivanchenko OriginalPaper Pages: 37 - 61
Estimate for the Best Approximation of Summable Functions of Two Variables in Terms of Fourier Coefficients T. O. Kononovych OriginalPaper Pages: 62 - 85
On the Approximation by Modified Interpolation Polynomials in Spaces L p A. B. Metelichenko OriginalPaper Pages: 86 - 95
On the Smoothness of a Generalized Solution of the First Initial Boundary-Value Problem for Strongly Parabolic Systems in a Cylinder with Nonsmooth Base with Respect to Time Variable Nguyen Manh HungPham Trieu Duong OriginalPaper Pages: 96 - 108
Hopf Algebras and Integrable Flows Related to the Heisenberg–Weil Coalgebra A. K. PrykarpatskyA. M. SamoilenkoD. L. Blackmore OriginalPaper Pages: 109 - 121
Approximation of Poisson Integrals by de la Vallée Poussin Sums A. S. Serdyuk OriginalPaper Pages: 122 - 134
Qualitative Investigation of Discontinuous Dynamical Systems on a Plane by the Method of Pointwise Mappings V. I. Urmanchev OriginalPaper Pages: 135 - 147
Second Jackson Inequality in a Sign-Preserving Approximation of Periodic Functions M. G. PleshakovP. A. Popov OriginalPaper Pages: 153 - 160
The Best m-Term Trigonometric Approximations of the Classes \(L_{\beta ,p}^\Psi \) in Uniform Metric A. S. FedorenkoO. S. Fedorenko OriginalPaper Pages: 161 - 165
On Saturation of Linear Summation Methods for Fourier Series in the Spaces \(S_\varphi ^p \) A. L. Shydlich OriginalPaper Pages: 166 - 172
Systems of Differential Inequalities with Initial Time Difference T. Jankowski OriginalPaper Pages: 173 - 182
