@article{PPN234729163+dmdlog107, title = {\S . 89. Die Sturm'schen Functionen}, booktitle = {Lehrbuch der Algebra Bd. 1}, series = {GDML\_Books}, year = {1895}, pages = {279}, url = {http://dml.mathdoc.fr/item/PPN234729163+dmdlog107} }
(éd.). §. 89. Die Sturm'schen Functionen, dans Lehrbuch der Algebra Bd. 1, GDML_Books, (1895), p. 279. http://gdmltest.u-ga.fr/item/PPN234729163+dmdlog107/