@article{PPN234735015+dmdlog175, title = {\S . 147. Die absoluten Nonnen der Functionale}, booktitle = {Lehrbuch der Algebra Bd. 2}, series = {GDML\_Books}, year = {1896}, pages = {536}, url = {http://dml.mathdoc.fr/item/PPN234735015+dmdlog175} }
(éd.). §. 147. Die absoluten Nonnen der Functionale, dans Lehrbuch der Algebra Bd. 2, GDML_Books, (1896), p. 536. http://gdmltest.u-ga.fr/item/PPN234735015+dmdlog175/