@article{MAN_1962__147_160980,
     author = {Ph. Hartman},
     title = {On {Dichotomies} for {Solutions} of n-th {Order} {Linear} {Differential} {Equations.}},
     journal = {Mathematische Annalen},
     pages = {378--421},
     publisher = {mathdoc},
     volume = {147},
     year = {1962},
     zbl = {0119.07302},
     url = {http://geodesic.mathdoc.fr/item/MAN_1962__147_160980/}
}