@article{GDZPPN002264544, title = {Zur Theorie der linearen homogenen Differentialausdr\"ucke}, journal = {Mathematische Annalen}, volume = {71}, year = {1912}, pages = {203-210}, zbl = {43.0190.01}, url = {http://dml.mathdoc.fr/item/GDZPPN002264544} }
Loewy, A. Zur Theorie der linearen homogenen Differentialausdrücke. Mathematische Annalen, Tome 71 (1912) pp. 203-210. http://gdmltest.u-ga.fr/item/GDZPPN002264544/