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Nonexistence of limit cycles for some predator-prey systems. (English) Zbl 0938.34515
Perelló, C. (ed.) et al., International conference on differential equations. Vol. 1, 2. Proceedings of the conference, EQUADIFF 91, Barcelona, Spain, August 26-31, 1991. Singapore: World Scientific. 538-543 (1993).
For the entire collection see [Zbl 0863.00035].

MSC:
34C05 Topological structure of integral curves, singular points, limit cycles of ordinary differential equations
92D25 Population dynamics (general)
92D40 Ecology
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