Author:
Adeel Muhammad,Khan Khuram Ali,Pečarić Đilda,Pečarić Josip
Abstract
The Publisher has retracted this article [1]. Owing to an administrative error it was published without the amendments made by the authors at the proof stage. A second version of the article with the authors’ amendments that should remain in the literature is [2]. The Publisher apologises to the authors and to readers for this error. All authors agree with this retraction.
Publisher
Springer Science and Business Media LLC
Subject
Applied Mathematics,Discrete Mathematics and Combinatorics,Analysis