%0 Journal Article %A Carcamo, Cristian %A Vidal, Claudio %T Stability of Equilibrium Solutions in Planar Hamiltonian Difference Systems %J Canadian journal of mathematics %D 2015 %P 1270-1289 %V 67 %N 6 %U http://geodesic.mathdoc.fr/articles/10.4153/CJM-2014-040-3/ %R 10.4153/CJM-2014-040-3 %F 10_4153_CJM_2014_040_3