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[期刊论文] 作者:LUZhi-qi PEILi-jun,
来源:河南师范大学学报:自然科学版 年份:2002
We consider the model in nondimensional form as following,which is concerned in [1] =x(1-x)-p(x)y+b∫+∞0f(s)y(t-s) d s=y(δ-β(y)/(x))x(0)>0,y(0)>0 We apply a no...
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