@article{MZ_1922__15_167722,
     author = {E. Hilb},
     title = {Zur {Theorie} der linearen {Differenzengleichungen}},
     journal = {Mathematische Zeitschrift},
     pages = {280--285},
     publisher = {mathdoc},
     volume = {15},
     year = {1922},
     zbl = {48.0531.01},
     url = {http://geodesic.mathdoc.fr/item/MZ_1922__15_167722/}
}