@article{MAN_1967__172_161579,
     author = {Charles V. Coffman and Juan Jorge Sch\"affer},
     title = {Dichotomies for {Linear} {Difference} {Equations}},
     journal = {Mathematische Annalen},
     pages = {139--166},
     publisher = {mathdoc},
     volume = {172},
     year = {1967},
     zbl = {0189.40303},
     url = {http://geodesic.mathdoc.fr/item/MAN_1967__172_161579/}
}