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"Existence of four periodic solutions for a generalized delayed ..."
Qi Wang, Yayun Fang, Dicheng Lu (2014)
- Qi Wang, Yayun Fang, Dicheng Lu:
Existence of four periodic solutions for a generalized delayed ratio-dependent predator-prey system. Appl. Math. Comput. 247: 623-630 (2014)
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