Functional analytic methods in the solution of the fundamental theorems on best-weighted algebraic approximation

Butzer, Paul L.; Jansche, S.; Stens, Rudolf Leonhard

New York, NY (USA) [u.a.] (1993)
Contribution to a book

In: Approximation theory. Hrsg. G.A. Anastassiou
Page(s)/Article-Nr.: 151-205.(Lect. notes in pure and appl. math. 138)