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Issue Title
 
Vol 19 (2011) Monotonicity of sequence of the best approximating constants for the function $$$\sqrt{t}$$$ Abstract   PDF (Русский)
O.V. Chernytska
 
Vol 21 (2013) On analogue of one problem of Erdös for non-periodic splines on the real domain Abstract   PDF (Русский)
V.A. Kofanov
 
Vol 24 (2016) On approximation by trigonometrical polynomials in $$$L_2$$$ space Abstract   PDF (Русский)
O.V. Polyakov
 
Vol 21 (2013) On approximation of continuous periodic functions by Stechkin's polynomials Abstract   PDF (Русский)
O.V. Kotova
 
Vol 19 (2011) On approximation of functions by algebraic polynomials on the average in real domain with Chebyshev-Hermite weight Abstract   PDF (Русский)
S.B. Vakarchuk, M.B. Vakarchuk
 
Vol 25 (2017) On average $$$n$$$-widths of certain classes of functions in $$$L_2(\mathbb{R})$$$ space Abstract   PDF (Русский)
S.B. Vakarchuk, M.B. Vakarchuk
 
Vol 22 (2014) On certain groups with Chernikov group of automorphisms Abstract   PDF (Українська)
O.O. Pypka
 
Vol 21 (2013) On certain properties of fuzzy group product operation Abstract   PDF (Українська)
V.A. Chupordia, A.S. Markovs'ka
 
Vol 21 (2013) On characterization of the hypercenters of fuzzy groups Abstract   PDF
K.O. Grin
 
Vol 22 (2014) On classes of M.K. Potapov Abstract   PDF (Русский)
V.P. Motornyi
 
Vol 19 (2011) On classes $$$\breve{H}_{p; \rho}^{(\nu)}$$$ and $$$\widetilde{H}_{p; \rho}^{(\nu)}$$$ Abstract   PDF (Русский)
S.V. Goncharov
 
Vol 23 (2015) On classification of integrable functions Abstract   PDF (Русский)
V.P. Motornyi, V.V. Sedunova
 
Vol 23 (2015) On convergence of Fourier integrals and Lipschitz spaces defined with differences of fractional order Abstract   PDF (Русский)
B.I. Peleshenko, T.N. Semirenko
 
Vol 19 (2011) On degree of approximation of function by Voronoi means of its Fourier integral Abstract   PDF (Русский)
L.G. Bojtsun, T.I. Rybnikova
 
Vol 19 (2011) On degree of approximation of non-periodic function by Voronoi means of its Fourier integral Abstract   PDF (Українська)
L.G. Bojtsun, A.O. Deordiieva
 
Vol 24 (2016) On exact values of relative approximations of classes of periodic functions by splines Abstract   PDF (Русский)
N.V. Parfinovich, I.A. Shevchenko
 
Vol 24 (2016) On extension of functions, being integrable with weight on interval and satisfying conditions of Lipschitz type Abstract   PDF (Русский)
S.V. Goncharov
 
Vol 25 (2017) On extremal subspaces for widths of classes of convolutions Abstract   PDF (Українська)
N.V. Parfinovich
 
Vol 27, No 1 (2019) On generalized characteristics of smoothness of functions and on average $$$\nu$$$-widths in the space $$$L_2(\mathbb{R})$$$ Abstract   PDF
S.B. Vakarchuk, M.B. Vakarchuk
 
Vol 20 (2012) On homotopic groups of spaces of generalised perfect splines Abstract   PDF (Русский)
A.M. Pas'ko
 
Vol 22 (2014) On inequalities of Hardy-Littlewood-Polya type for operators in Hilbert space Abstract   PDF (Русский)
V.F. Babenko, N.A. Kryachko
 
Vol 20 (2012) On inequalities of Kolmogorov type for the functions being analytic in the disk Abstract   PDF (Русский)
S.B. Vakarchuk, M.B. Vakarchuk
 
Vol 21 (2013) On inequalities of Kolmogorov type for the functions being analytic in the unit bicircle Abstract   PDF (Русский)
S.B. Vakarchuk, M.B. Vakarchuk
 
Vol 20 (2012) On interconnexion of two classes of functions being integrable on $$$[-1;1]$$$ with weight Abstract   PDF (Русский)
S.V. Goncharov
 
Vol 27, No 1 (2019) On interpolation of operator, which is the sum of weighted Hardy-Littlewood and Cesaro mean operators Abstract   PDF
B.I. Peleshenko
 
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