Reducing sequences von F. Tugores

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Groups all cyclic subgroups of which are BNA-subgroups von X. He, S. Li, Y. Wang

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Oleksandr Ivanovych Stepanets' (on his 75th birthday) von A. M. Samoilenko, I. O. Lukovskyi, V. L. Makarov, V. P. Motornyi, P. V. Zaderei, A. S. Romaniuk, A. P. Holub, A. S. Serdiuk, V. V. Savchuk, V. S. Romaniuk

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Polynomial inequalities in quasidisks on weighted Bergman space von F. G. Abdullayev, T. Tunз, G. A. Abdullayev

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On the moduli of continuity and fractional-order derivatives in the problems of best mean-square approximations by entire functions of the exponential type on the entire real axis von S. B. Vakarchuk

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Exact constant in the Dzyadyk inequality for the derivative of an algebraic polynomial von V. D. Halan, I. O. Shevchuk

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Pade approximants for some classes of multivariate functions von A. P. Holub, L. O. Lysenko

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Maps of deep heat flow and geothermal resources in Ukraine von V. V. Hordiienko, I. V. Hordiienko

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Pointwise estimation of an almost copositive approximation of continuous functions by algebraic polynomials von H. A. Dziubenko

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Approximating properties of biharmonic Poisson operators in the classes LΨβ,1 von T. V. Zhyhallo, Yu. I. Kharkevych

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Direct and inverse theorems on the approximation of 2р-periodic functions by Taylor–Abel–Poisson operators von Yu. Prestin, V. V. Savchuk, A. L. Shydlich

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Trigonometric and linear widths for the classes of periodic multivariable functions von A. S. Romanjuk

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Kolmogorov widths and entropy numbers in the Orlich spaces with the Luxembourg norm von V. S. Romanjuk

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Approximation of the classes of generalized Poisson integrals by Fourier sums in metrics of the spaces L_s von A. S. Serdiuk, T. A. Stepaniuk

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On the fractional integrodi ferentiation of complex polynomials in L 0 von L. G. Kovalenko, E. A. Storozhenko

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Nikol'skii–Stechkin-type inequalities for the increments of trigonometric polynomials in metric spaces von S. A. Pichugov

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Convergence of the spectral decomposition of a function from the class W1p,m(G), p>1, in the vector eigenfunctions of a differential operator of the third order von Ju. G. Abbasova, V. M. Kurbanov

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On one boundary-value problem for elliptic differential-operator equations of the second order with quadratic spectral parameter von B. A. Aliev, N. K. Kurbanova, Ja. Jakubov

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Simulation model of sound backscattering in gas flares and evaluation of the potential accuracy of determining seep coordinates by split-beam echosounders von A. A. Liubytskyi, A. V. Omelchenko

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Weakly perturbed operator equations in Banach spaces von V. F. Zhuravlev

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