二阶非线性差分方程xn+1=F(xn,xn-1)的正解收敛性
이계비선성차분방정xn+1=F(xn,xn-1)적정해수렴성
The Convergence of Positive Solutions for the Nonlinear Difference Equations of Second Order xn +1 =f(xn,xn- 1 )
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