PIECEWISE-POLYNOMIAL APPROXIMATIONS OF FUNCTIONS OF THE CLASSES $ W_{p}^{\alpha}$
- 30 April 1967
- journal article
- Published by Steklov Mathematical Institute in Mathematics of the USSR-Sbornik
- Vol. 2 (3) , 295-317
- https://doi.org/10.1070/sm1967v002n03abeh002343