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@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/} }
Ph. Hartman. On Dichotomies for Solutions of n-th Order Linear Differential Equations.. Mathematische Annalen, Tome 147 (1962), pp. 378-421. http://geodesic.mathdoc.fr/item/MAN_1962__147_160980/