Mihăilescu, Mihai, Vicenţiu D. Rădulescu, and Stepan Tersian. 2011. “Homoclinic Solutions of Difference Equations With Variable Exponents”. Topological Methods in Nonlinear Analysis 38 (2):277-89. https://apcz.umk.pl/TMNA/article/view/TMNA.2011.033.