1S. Ahmad and G. T. Stamov, Almost periodic solutions of N-dimensional impulsive competitive systems, Nonlinear Anal. Real World Appl. 10 (2009) 1846-1853.
2J. O. Alzabut, G. T. Stamov and E. Sermutlu, On almost periodic solutions for an impulsive delay logarithmic population model, Math. Comput. Model. 51 (2010) 625-63l.
3J. B. Geng and Y. H. Xia, Almost periodic solutions of a nonlinear ecological model, Commun. Nonlinear Sci. Numer. Simulat. 16 (2011) 2575-2597.
4K. Gopalsamy, Global asymptotic stability in an almost periodic Lotka-Volterra system, J. Australian Math. Soc. Ser. B 27 (1986) 346-360.
5K. Copalsamy, Stability and Oscillations in Delay Differential Equations of Population Dynamics, Mathematics and Its Applications, Vol. 74 (Kluwer Academic Publishers, Dordrecht, 1992).
6M. X. He, F. D. Chen and Z. Li, Almost periodic solution of an impulsive differential equation model of plankton allelopathy, Nonlinear Anal. Real World Appl. 11 (2010) 2296-230l.
7Z. T. Huang and Q. G. Yang, Existence and exponential stability of almost periodic solution for stochastic cellular neural networks with delay, Chaos, Solitons Fractals 42 (2009) 773-780.
8Y. K. Li and T. W. Zhang, Almost periodic solution for a discrete hematopoiesis model with time delay, Int. J. Biomath. 5 (2012) 1250003, doi: 10.1142/ S179352451100143X.
9Z. J. Liu, R. H. Tan and Y. P. Chen, Modeling and analysis of a delayed competitive system with impulsive perturbations, Rocky Mountain J. Math. 38 (2008) 1505-1523.
10Z. J. Liu, J. H. Wu and R. A. Cheke, Coexistence and partial extinction in a delay competitive system subject to impulsive harvesting and stocking, IMA J. Appl. Math. 75 (2010) 777-795.
3Qin W J,Liu Z J,Chen Y P.Permanence and global stability of positive periodic solutions of a discrete competitive system[J].Discrete Dynamics in Nature and Society,2009(2009):Article ID 830537,13.
4Wang Q L,Liu Z J.Uniformly asymptotic stability of positive almost periodic solutions for a discrete competitive system[J].Journal of Applied Mathematics,2013(2013):Article ID 182158,9.
5Wang Q L,Liu Z J,Li Z X.Positive almost periodic solutions for a discrete competitive system subject to feedback controls[J].Journal of Applied Mathematics,2013(2013):Article ID 429163,14.
6Yu S B.Permanence for a discrete competitive system with feedback controls[J].Communications in Mathematical Biology and Neuroscience,2015(2015):Article ID 16.
7Li Z,Chen F D.Extinction in two dimensional discrete Lotka-Volterra competitive system with the effect of toxic substances[J].Dynamics of Continuous,Discrete and Impulsive Systems,Series B:Applications&Algorithms,2008,15(2):165-178.
8Chen F D,Gong X J,Chen W L.Extinction in two dimensional discrete Lotka-Volterra competitive system with the effect of toxic substances(11)[J].Dynamics of Continuous,Discrete and Impulsive Systems,Series B:Applications&Algorithms,2013,20(4):449-461.
9Chen F D.Permanence for the discrete mutualism model with time delays[J].Mathematical and Computer Modelling,2008,47(3):431-435.