Advances in Difference Equations > 2017 > 2017 > 1 > 1-13
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journal e-ISSN : | 1687-1847 |
DOI | 10.1186/s13662-017-1122-5 |
Advances in Difference Equations > 2017 > 2017 > 1 > 1-13
journal e-ISSN : | 1687-1847 |
DOI | 10.1186/s13662-017-1122-5 |