@article{MZ_1922__14_183584,
     author = {G. Hoheisel},
     title = {Lineare funktionale {Differentialgleichung} {(I.} {Mitteilung)}},
     journal = {Mathematische Zeitschrift},
     pages = {35--98},
     publisher = {mathdoc},
     volume = {14},
     year = {1922},
     zbl = {48.0532.02},
     url = {http://geodesic.mathdoc.fr/item/MZ_1922__14_183584/}
}