Erratum to “Pointwise Analog of the Stečkin Approximation Theorem”
Erratum to “Pointwise Analog of the Stečkin Approximation Theorem”
We present the proper definitions of the pointwise best approximation of which implies the correctness of the proof of Lemma 5 as well as the other results of the paper.In the paper entitled "Pointwise Analog of the Stečkin Approximation Theorem, " there was given an incorrect proof of Lemma 5 …