Article ID Journal Published Year Pages File Type
4623153 Journal of Mathematical Analysis and Applications 2007 23 Pages PDF
Abstract

This article has been retracted at the request of the Editors-in-Chief. Please see Elsevier Policy on Article Withdrawal (http://www.elsevier.com/locate/withdrawalpolicy).Reason: The article has been retracted at the request of the Editors-in-Chief as well as several readers. Theorem 2.1 therein is wrong and the authors could not fix the mistakes. This leads to the incorrect conclusions in the paper.

Related Topics
Physical Sciences and Engineering Mathematics Analysis