%0 Journal Article %T On the Global Character of the System of Piecewise Linear Difference Equations xn+1=|xn| yn 1 and yn+1=xn |yn| %A Wirot Tikjha %A Yongwimon Lenbury %A Evelina Giusti Lapierre %J Advances in Difference Equations %D 2010 %I Springer %R 10.1155/2010/573281 %U http://dx.doi.org/10.1155/2010/573281