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Issue Title
 
Vol 23 (2015) Duality theorem for approximation problem with fuzzy statement Abstract   PDF (Українська)
V.I. Ruban
 
Vol 33, No 1 (2025) Dynamics of an Infinite-Dimensional Symmetric Logistic Mapping Abstract   PDF
Z. Novosad, V.M. Pylypiv, S. Sharyn, A.V. Zagorodnyuk
 
Vol 24 (2016) Equivalence theorem for additive inequalities of Kolmogorov type Abstract   PDF (Українська)
A.Ye. Haidabura, V.A. Kofanov
 
Vol 18 (2010) Error at interpolation of some classes of functions by multilinear splines Abstract   PDF (Русский)
V.F. Babenko, T.Yu. Leskevich
 
Vol 17 (2009) Estimate of derivatives of functions on the real line in Weil spaces Abstract   PDF (Русский)
V.A. Kofanov
 
No 2 (1969) Estimate of error of cubature formula for the class of differentiable $$$2\pi$$$-periodic functions of two variables Abstract   PDF (Русский)
V.M. Alkhimova
 
Vol 18 (2010) Estimates of approximation of elements of Hilbert space by subspaces spanned by given unit expansion Abstract   PDF (Русский)
V.F. Babenko, S.V. Savela
 
Vol 16 (2008) Estimates of generalized Lebesgue constants of partial Fourier-Jacobi sums Abstract   PDF (Русский)
S.V. Goncharov, V.P. Motornyi
 
Vol 28, No 1 (2020) Estimates of the error of interval quadrature formulas on some classes of differentiable functions Abstract   PDF
V.P. Motornyi, D.A. Ovsyannikov
 
1977 Estimation of deviation of continuous $$$2\pi$$$-periodic functions from corresponding trigonometric polynomials of S.N. Bernstein's type Abstract   PDF (Русский)
N.Ya. Yatsenko
 
Vol 18 (2010) Exact inequalities of Kolmogorov type for Hadamard fractional derivatives of functions defined on half-line Abstract   PDF (Русский)
V.F. Babenko, N.V. Parfinovich
 
Vol 19 (2011) Exact upper bounds of norms of polynomials, splines, and their derivatives on arbitrary interval Abstract   PDF (Русский)
V.A. Kofanov
 
Vol 17 (2009) Exact values and estimates of interpolational spreads of some subspaces of Hermitian splines Abstract   PDF (Русский)
V.L. Velikіn
 
1977 Exact values of approximation by infinitely differentiable splines on some classes of functions Abstract   PDF (Русский)
V.L. Velikіn
 
Vol 22 (2014) Exact values of mutual deviation of certain interpolation subspaces of Hermitian splines in uniform and integral metric Abstract   PDF (Українська)
T.R. Bіkkuzhyna, V.L. Velikіn
 
1977 Exact values of the best mean approximations by algebraic polynomials of $$$W^r_L$$$ classes ($$$r=1,2$$$) Abstract   PDF (Русский)
V.A. Kofanov
 
Vol 17 (2009) Extremal problem for functional of area Abstract   PDF (Русский)
T.V. Lomako, R.R. Salimov
 
Vol 27, No 1 (2019) Extremal problems for non-periodic splines on real domain and their derivatives Abstract   PDF (Українська)
K.A. Danchenko, V.A. Kofanov
 
1977 Extremal subspaces in the problem about widths of $$$H_{\omega}$$$ classes in the space of continuous functions of two variables Abstract   PDF (Русский)
L.B. Khodak
 
Vol 17 (2009) Famous mathematician, outstanding person of XXI century Abstract   PDF (Русский)
L.G. Bojtsun, T.I. Rybnikova
 
Vol 31, No 2 (2023) Free groups defined by finite $$$p$$$-automata Abstract   PDF
A.P. Krenevych, A.S. Oliynyk
 
Vol 20 (2012) Fuzzy sets and statistical criteria Abstract   PDF (Українська)
S.Ye. Bel'kov, V.I. Ruban
 
Vol 22 (2014) General form of linear continuous functional and criterion of the best approximant in spaces with mixed integral metric Abstract   PDF (Українська)
V.M. Traktyns'ka, M.Ye. Tkachenko
 
Vol 30, No 1 (2022) General form of $$$(\lambda,\varphi)$$$-additive operators on spaces of $$$L$$$-space-valued functions Abstract   PDF
V.F. Babenko, V.V. Babenko, O.V. Kovalenko, N.V. Parfinovych
 
Vol 16 (2008) Generalization of A.A. Ligun's inequality to $$$L_q$$$, $$$q \in [0, 1)$$$ spaces Abstract   PDF (Русский)
V.A. Kofanov
 
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