@article{GDZPPN002245043, title = {Zur Theorie der linearen Connexe}, journal = {Mathematische Annalen}, volume = {15}, year = {1879}, pages = {355-358}, zbl = {11.0590.02}, url = {http://dml.mathdoc.fr/item/GDZPPN002245043} }
Voss. Zur Theorie der linearen Connexe. Mathematische Annalen, Tome 15 (1879) pp. 355-358. http://gdmltest.u-ga.fr/item/GDZPPN002245043/