Advances in Difference Equations > 2011 > 2011 > 1 > 1-20
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Abstract
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journal e-ISSN : | 1687-1847 |
DOI | 10.1155/2011/894135 |
Advances in Difference Equations > 2011 > 2011 > 1 > 1-20
journal e-ISSN : | 1687-1847 |
DOI | 10.1155/2011/894135 |