@article{PPN234729163+dmdlog172, title = {\S\ 148. Permutationsgruppen}, booktitle = {Lehrbuch der Algebra Bd. 1}, series = {GDML\_Books}, year = {1895}, pages = {472}, url = {http://dml.mathdoc.fr/item/PPN234729163+dmdlog172} }
(éd.). § 148. Permutationsgruppen, dans Lehrbuch der Algebra Bd. 1, GDML_Books, (1895), p. 472. http://gdmltest.u-ga.fr/item/PPN234729163+dmdlog172/