@article{GDZPPN002367122, title = {Zur Theorie der linearen Differenzengleichungen}, journal = {Mathematische Zeitschrift}, volume = {14}, year = {1922}, pages = {280-285}, zbl = {48.0531.01}, url = {http://dml.mathdoc.fr/item/GDZPPN002367122} }
Hilb, E. Zur Theorie der linearen Differenzengleichungen. Mathematische Zeitschrift, Tome 14 (1922) pp. 280-285. http://gdmltest.u-ga.fr/item/GDZPPN002367122/