%0 Journal Article %A Xiao-Bin Zhang %A Hong-Xun Yi %T On Some Problems of Difference Functions and Difference Equations %J Bulletin of the Malaysian Mathematical Society %D 2013 %V 36 %N 4 %U http://geodesic.mathdoc.fr/item/BMMS_2013_36_4_a21/ %F BMMS_2013_36_4_a21