@article{MZ_1955__63_169531,
     author = {Wolfgang Hahn},
     title = {\"Uber analytische {L\"osungen} linearer {Differential-Differenzengleichungen.}},
     journal = {Mathematische Zeitschrift},
     pages = {313--319},
     year = {1955},
     volume = {63},
     zbl = {0066.06302},
     url = {http://geodesic.mathdoc.fr/item/MZ_1955__63_169531/}
}