@article{PPN234735015+dmdlog78, title = {\S . 61. Die Invarianten des Ikosaeders}, booktitle = {Lehrbuch der Algebra Bd. 2}, series = {GDML\_Books}, year = {1896}, pages = {232}, url = {http://dml.mathdoc.fr/item/PPN234735015+dmdlog78} }
(éd.). §. 61. Die Invarianten des Ikosaeders, dans Lehrbuch der Algebra Bd. 2, GDML_Books, (1896), p. 232. http://gdmltest.u-ga.fr/item/PPN234735015+dmdlog78/