| Article ID | Journal | Published Year | Pages | File Type | 
|---|---|---|---|---|
| 6418616 | Journal of Mathematical Analysis and Applications | 2014 | 6 Pages | 
Abstract
												An open question raised in Lin and Zhou (2013) [13] is answered.
Keywords
												
											Related Topics
												
													Physical Sciences and Engineering
													Mathematics
													Analysis
												
											Authors
												Yun Zhang, 
											