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"On the limit cycles of planar polynomial system with non-rational first ..."
Shimin Li, Yulin Zhao, Zhaohong Sun (2015)
- Shimin Li, Yulin Zhao, Zhaohong Sun:
On the limit cycles of planar polynomial system with non-rational first integral via averaging method at any order. Appl. Math. Comput. 256: 876-880 (2015)
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