@article{10_4153_CJM_2014_040_3,
     author = {Carcamo, Cristian and Vidal, Claudio},
     title = {Stability of {Equilibrium} {Solutions} in {Planar} {Hamiltonian} {Difference} {Systems}},
     journal = {Canadian journal of mathematics},
     pages = {1270--1289},
     year = {2015},
     volume = {67},
     number = {6},
     doi = {10.4153/CJM-2014-040-3},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-2014-040-3/}
}