Existence of positive periodic solutions for neutral population model with multiple delays
2004 ◽
Vol 153
(3)
◽
pp. 885-902
◽
2007 ◽
Vol 2
◽
pp. 773-782
2004 ◽
Vol 166
(2)
◽
pp. 371-383
◽
2012 ◽
Vol 395
(1)
◽
pp. 298-306
◽
2007 ◽
Vol 50
(1)
◽
pp. 27-34
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