@article{MZ_1922__14_183577,
     author = {E. Hilb},
     title = {Zur {Theorie} der linearen {Differenzengleichungen}},
     journal = {Mathematische Zeitschrift},
     pages = {211--229},
     year = {1922},
     volume = {14},
     zbl = {48.0529.02},
     url = {http://geodesic.mathdoc.fr/item/MZ_1922__14_183577/}
}