Article ID Journal Published Year Pages File Type
4618701 Journal of Mathematical Analysis and Applications 2011 8 Pages PDF
Abstract

This article has been retracted: please see Elsevier Policy on Article Withdrawal (http://www.elsevier.com/locate/withdrawalpolicy).This article has been retracted at the request of the authors and with the concurrence of the editors.The main theorem of the paper, Theorem 4.1, contains serious technical mistakes which cannot be resolved.

Related Topics
Physical Sciences and Engineering Mathematics Analysis