%0 Journal Article %T On the Asymptotic Behavior of Some Difference Equations by Using Invariants %A A. Aghajani %A Z. Shouli %J Mathematical Sciences Quarterly Journal %D 2010 %I Springer %X In this paper, we consider some classes of difference equations and investigate the asymptotic behavior of solutions by using invariants. %K Difference Equation %K Invariant %K Boundedness %K Forbidden set. %U http://mathscience.kiau.ac.ir/Content/Vol4No1/3.pdf