1V. Lakshmikantham,D. D. Bainov, P. Simeonov.Theory of Impulsive Differential Equations[M].Singapore: World Scientific, 1989.
2JIAO, J., Yang, X., Chert, L., Cai, S.Effect of Delayed Response in Growth on the Dynamics of a Chemostat Model with Impulsive Input [J]. Chaos, Solitons and Fractals, 2009,(42).
3Jiao Jianjun, Chen Lansun.Global Attractivity of a Stage-structure Variable Coefficients Predator-prey System with Time Delay and Im- pulsive Perturbations on Predators[J].International Journal of Biomath- ematics, 2008,1(2).
4Jiao Jianjun, Chen Lansun,Long Wen.Pulse Fishing Policy for a Stage-structure Model with State-dependent Harvesting[J]. Journal of Biological System, 2007,(4).
5E.L. Jury.Inners and Stability of Dynamics System[M].New York: Wiley,1974.