@article{10_1017_S0017089500001105,
     author = {Smith, Russell A.},
     title = {A stability condition for nth order difference equations},
     journal = {Glasgow mathematical journal},
     pages = {24--30},
     year = {1971},
     volume = {12},
     number = {1},
     doi = {10.1017/S0017089500001105},
     url = {http://geodesic.mathdoc.fr/articles/10.1017/S0017089500001105/}
}