Dynamical Bifurcation of Multifrequency Oscillations in a Fast-Slow System by A. M. Samoilenko, I. O. Parasiuk, B. V. Repeta

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Analysis of existing approaches to assessing the economic security of the region by O. V. Ovcharenko

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Order Estimates for the Best Orthogonal Trigonometric Approximations of the Classes of Convolutions of Periodic Functions of Low Smoothness by A. S. Serdiuk, T. A. Stepaniuk

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Estimation of the Accuracy of Finite-Element Petrov–Galerkin Method in Integrating the One-Dimensional Stationary Convection-Diffusion-Reaction Equation by S. V. Sirik

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Optimal Control over Moving Sources in the Heat Equation by R. A. Tejmurov

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Two Theorems of Complex Analysis by Ju. Ju. Trokhimchuk

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On Fundamental Theorems for Holomorphic Curves on the Annuli by H. T. Phuong, N. V. Thin

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Motornyi Vitalii Pavlovych (on his 75th birthday) by A. M. Samoilenko, V. F. Babenko, S. B. Vakarchuk, V. L. Velykin, O. V. Davydov, V. O. Kofanov, N. V. Parfinovych, A. M. Pasko, A. S. Romaniuk, V. I. Ruban

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On Stability of the Cauchy Equation on Solvable Groups by V. A. Faiziev, P. K. Sahoo

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On a Factorizable Group with Large Cyclic Subgroups in Factors by I. K. Chirik

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Exact Values of Kolmogorov Widths for the Classes of Analytic Functions. II by V. V. Bodenchuk, A. S. Serdiuk

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Potential Method in the Limit Problems for the Processes with Independent Increments by M. S. Bratiichuk

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The interconnection between labour productivity and real wages in Azerbaijan by E. E. Alakbarov, A. G. Suleymanova

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An Example of Neutrally Nonwandering Points for the Inner Mappings that are Not Neutrally Recurrent by Ju. Vlasenko

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On the Moment-Generating Functions of Extrema and Their Complements for Almost Semicontinuous Integer-Valued Poisson Processes on Markov Chains by M. S. Herych, D. V. Husak

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On the Whittle Estimator of the Parameter of Spectral Density of Random Noise in the Nonlinear Regression Model by O. V. Ivanov, V. V. Prykhodko

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Problem of Optimal Control for Parabolic-Hyperbolic Equations with Nonlocal Point Boundary Conditions and Semidefinite Quality Criterion by V. Є. Kapustjan, І. A. Pishnograєv

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A New Sufficient Condition for Belonging to the Algebra of Absolutely Convergent Fourier Integrals and Its Application to the Problems of Summability of Double Fourier Series by O. V. Kotova, R. M. Trigub

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p-Regularity Theory. Tangent Cone Description in the Singular Case by A. Prusińska, A. Tretyakov

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Untitled by Fengquan Li

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