A refinement of a theorem by Franks
| Autor: | Liu, Hui, Wang, Jian |
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| Rok vydání: | 2015 |
| Předmět: | |
| Druh dokumentu: | Working Paper |
| Popis: | In this paper, we give a refinement of a theorem by Franks, which answers two questions raised by Kang. Comment: 6 pages |
| Databáze: | arXiv |
| Externí odkaz: |
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