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

Volltext

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.

Volltext

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

Volltext

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

Volltext

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

Volltext