@article{MM2_1971__4_154045,
     author = {G\"unter Frank},
     title = {\"Uber ganze {Funktionen,} die einer linearen {Differentialgleichung} gen\"ugen.},
     journal = {Manuscripta mathematica},
     pages = {225--254},
     publisher = {mathdoc},
     volume = {4},
     year = {1971},
     zbl = {0214.09104},
     url = {http://geodesic.mathdoc.fr/item/MM2_1971__4_154045/}
}