Discrete Dynamics in Nature and Society
Volume 2010 (2010), Article ID 405121, 4 pages
doi:10.1155/2010/405121

On two systems of difference equations

Bratislav Iričanin1 and Stevo Stević2

1Faculty of Electrical Engineering, University of Belgrade, Bulevar Kralja Aleksandra 73, 11120 Belgrade, Serbia
2Mathematical Institute, Serbian Academy of Sciences, Knez Mihailova 36/III, 11000 Beograd, Serbia

Abstract

We give very short and elegant proofs of the main results in the work of Yalcinkaya et al. (2008).