On the approximation of functions from the Hölder class given on a segment by their biharmonic Poisson operators
We obtain the exact equality for the upper bounds of deviations of biharmonic Poisson operators on the Hölder classes of functions continuous on the segment $[-1;1]$.
How to Cite
ZhyhalloK. M., and ZhyhalloT. V. “On the Approximation of Functions from the Hölder Class given on a Segment by Their Biharmonic Poisson Operators”. Ukrains’kyi Matematychnyi Zhurnal, Vol. 71, no. 7, July 2019, pp. 915-21, http://umj.imath.kiev.ua/index.php/umj/article/view/1485.