On some approximate properties of biharmonic Poisson integrals in the integral metric von Kharkevych, Yu.I., Zhyhallo, K.M.

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Approximation of (ψ, β)-differentiable functions of low smoothness by biharmonic poisson integrals von Zhyhallo, K. M., Kharkevych, Yu. I.

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On The Approximation of Functions from The Hölder Class Given On a Segment by Their Biharmonic Poisson Operators von Zhyhallo, K. M., Zhyhallo, T. V.

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Approximative Properties of Biharmonic Poisson Integrals on Hölder Classes von Hembars’ka, S. B., Zhyhallo, K. M.

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Approximation of functions from the classes [C.sup.[psi].sub.[beta], [infinity]] by biharmonic Poisson integrals von Zhyhallo, K.M, Kharkevych, Yu. I

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Taylor Series of Biharmonic Poisson Integral for Upper Half-Plane von Shutovskyi, Arsen M., Sakhnyuk, Vasyl Ye

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Approximate properties of Abel-Poisson integrals on classes of differentiable functions defined by moduli of continuity von Yu.I. Kharkevych, T.A. Stepaniuk

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Scattering by circular cavity in radially inhomogeneous medium with wave velocity variation von Yang, Zailin, Hei, Baoping, Wang, Yao

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