@article{MZ_1971__119_171487,
     author = {Walter Eberhard},
     title = {\"Uber das asymptotische {Verhalten} von {L\"osungen} der linearen {Differntialgleichung} {M} [y] = ... {N} [y] f\"ur gro{\ss}e {Werte} von ...},
     journal = {Mathematische Zeitschrift},
     pages = {160--170},
     publisher = {mathdoc},
     volume = {119},
     year = {1971},
     zbl = {0198.12001},
     url = {http://geodesic.mathdoc.fr/item/MZ_1971__119_171487/}
}