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V. I. Rukasov
Journal Article
Asymptotically exact estimates of the errors of partial fourier sums on classes of continuous periodic functions of several variables
A. I. Stepanets
Ukrainian Mathematical Journal, 1981, Volume 33, Number 1, Pages 96-100
Sharp estimates for deviations of the Faward sums on classes of continuous periodic functions of two variables
Ukrainian Mathematical Journal, 1980, Volume 32, Number 4, Pages 367-374
Approximation of continuous periodic functions of many variables by spherical Riesz means
Mathematical Notes, 1974, Volume 15, Number 5, Pages 492-498
Best one-sided approximation of certain classes of functions
V. G. Doronin
Mathematical Notes, 1971, Volume 10, Number 6, Pages 799-806
Approximation by triangular fourier sums on classes of continuous periodic functions of two variables
A. I. Stepanets and V. I. Rukasov
Ukrainian Mathematical Journal, 1983, Volume 35, Number 2, Pages 215-220
Exact estimates of approximation of periodic functions by linear polynomial methods of convolution type
V. V. Shalaev
Mathematical Notes, 1983, Volume 33, Number 2, Pages 115-119
Approximation of functions of the class Hw2 2H_{\omega _2 }^2 by trigonometric interpolation polynomials with equally spaced nodes
Yu. R. Vainerman
Mathematical Notes, 1980, Volume 27, Number 6, Pages 439-445
Exact constants of approximation for differentiable periodic functions
A. A. Ligun
Mathematical Notes, 1973, Volume 14, Number 1, Pages 563-569
The approximation in the Lp metric of differentiable functions of several variables by Fourier sums
N. S. Nikol'skaya
Siberian Mathematical Journal, 1974, Volume 15, Number 2, Pages 282-295
Optimale Approximation mit Nebenbedingungen an lineare Funktionale auf periodischen Funktionen
W. Knauff and R. Kreß
Numerische Mathematik, 1975, Volume 25, Number 2, Pages 149-152
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