@article{PPN588632678+DMDLOG_0004, title = {Erster Theil. Processe f\"ur invariante Bildungen.}, booktitle = {Bin\"are Formen Bd. 2}, series = {GDML\_Books}, publisher = {Teubner}, address = {Leipzig}, year = {1887}, pages = {1}, url = {http://dml.mathdoc.fr/item/PPN588632678+DMDLOG_0004} }
(éd.). Erster Theil. Processe für invariante Bildungen., dans Binäre Formen Bd. 2, GDML_Books, (1887), p. 1. http://gdmltest.u-ga.fr/item/PPN588632678+DMDLOG_0004/