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Abstract：
Sufficient conditions are obtained for the permanence of the following integrodifferential model of mutualism{Mathematical expression}where ri, Ki, αi and σi, i = 1, 2 are continuous functions bounded above and below by positive constants. αi ＞ Ki, i = 1, 2. Ji ∈ C([0, + ∞), [0, + ∞)) and ∫0∞ Ji (s) d s = 1, i = 1, 2. © 2006 Elsevier Inc. All rights reserved.
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Applied Mathematics and Computation
ISSN： 0096-3003
Year： 2007
Issue： 1
Volume： 186
Page： 30-34
0 . 8 2 1
JCR@2007
3 . 5 0 0
JCR@2023
JCR Journal Grade：2
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ESI Highly Cited Papers on the List： 0 Unfold All
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30 Days PV： 1
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