@article{GDZPPN002254131, title = {Zur Theorie der Tripelsysteme.}, journal = {Mathematische Annalen}, volume = {41}, year = {1893}, pages = {143-152}, language = {en}, url = {http://dml.mathdoc.fr/item/GDZPPN002254131} }
Netto, E. Zur Theorie der Tripelsysteme.. Mathematische Annalen, Tome 41 (1893) pp. 143-152. http://gdmltest.u-ga.fr/item/GDZPPN002254131/