2024-03-29T13:29:57Z
https://oai.zbmath.org/v1/
oai:zbmath.org:2171593
2005-05-25T11:56:40Z
34
92
Cui, Jingan; Song, Xinyu
2004
2171593
English
Hindawi, New York, NY
https://zbmath.org/02171593
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Int. J. Math. Math. Sci. 2004, No. 41-44, 2307-2323 (2004).
92D40; 34A40; 34D23; 34C60; 34D05; 34C25
Sufficient and necessary condition for the permanence of periodic predator-prey system
j