@article{PPN234735015+dmdlog62, title = {\S . 47. Normalformen}, booktitle = {Lehrbuch der Algebra Bd. 2}, series = {GDML\_Books}, year = {1896}, pages = {181}, url = {http://dml.mathdoc.fr/item/PPN234735015+dmdlog62} }
(éd.). §. 47. Normalformen, dans Lehrbuch der Algebra Bd. 2, GDML_Books, (1896), p. 181. http://gdmltest.u-ga.fr/item/PPN234735015+dmdlog62/