@article{PPN234735015+dmdlog120, title = {\S . 98. Die Aronhold'schen siebener Systeme}, booktitle = {Lehrbuch der Algebra Bd. 2}, series = {GDML\_Books}, year = {1896}, pages = {367}, url = {http://dml.mathdoc.fr/item/PPN234735015+dmdlog120} }
(éd.). §. 98. Die Aronhold'schen siebener Systeme, dans Lehrbuch der Algebra Bd. 2, GDML_Books, (1896), p. 367. http://gdmltest.u-ga.fr/item/PPN234735015+dmdlog120/