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2篇 您的检索式：作者名="Yan Enrang"

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		题名	作者	年代	出处	被引量
	1	ASYMPTOTIC BEHAVIOR OF THE POSITIVE SOLUTION OF A NONAUTONOMOUS FOOD-CHAIN MODEL WITH DIFFUSION显示文摘A nonautonomous food-chain system with diffusion is investigated in this paper, whose coefficients asymptotically approach periodic functions. Under some sufficient conditions all positive solutions of the system asymptotically approach the periodic solution of the corresponding periodic system, by using comparison theorem and constructing Lyapunov-type functions.	Wang Aili Yan Enrang Wei Chaoying	2005	Annals of Differential Equations2005，21，3：	2
	2	EXACT SOLUTIONS TO NONLINEAR WAVE EQUATION显示文摘In this paper,we use an invariant set to construct exact solutions to a nonlinear wave equation with a variable wave speed. Moreover,we obtain conditions under which the equation admits a nonclassical symmetry. Several different nonclassical symmetries for equations with different diffusion terms are presented.	Huabing Jia,Enrang Yan(Dept. of Math.,Baoji University of Arts and Sciences,Baoji 721013,Shaanxi)	2011	Annals of Differential Equations2011，27，1：	0

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