First Published on iFirst for the journal Applicable Analysis on the 6th of September 2010.
DOI: 10.1080/00036811.2010.499510
The author recognizes that parts of his article from Applicable Analysis are very similar to his earlier work Citation1 and would like to explain his reasoning for reproducing his earlier work in this article.
‘For the sake of completeness, we have listed some results from paper [ Citation 1 ]. It can be noticed that the theorems from the earlier work, are given without proof except for one (Theorem 2.1) in which case the proof was provided based on Prof. Butzer's recommendation.’
The results with their proof are given in Citation1 and full reference to Citation1 is provided in the article published in Applicable Analysis.
The author would like to thank his co-authors from Citation1 for allowing him to re-use material in this article.
Reference
- Gavrea , I , Gonska , HH and Kacso , DP . 1997 . Variation on Butzer's problem: Characterization of the solutions . Comput. Math. Appl. , 34 ( 9 ) : 51 – 64 .