Author: Teng, Zhidong
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Zhang, Tailei; Liu, Junli; Teng, Zhidong:
Existence of positive periodic solutions of an SEIR model with periodic coefficients.
(English).
Applications of Mathematics,
vol. 57
(2012),
issue 6,
pp. 601-616
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Xu, Jiabo; Teng, Zhidong; Gao, Shujing:
Almost sufficient and necessary conditions for permanence and extinction of nonautonomous discrete logistic systems with time-varying delays and feedback control.
(English).
Applications of Mathematics,
vol. 56
(2011),
issue 2,
pp. 207-225
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