@article{PPN600797023+DMDLOG_0015, title = {Anhang.}, booktitle = {Differentialgleichungen und Variationsrechnung Bd. 3}, series = {GDML\_Books}, publisher = {Teubner}, address = {Leipzig}, year = {1904}, pages = {455}, url = {http://dml.mathdoc.fr/item/PPN600797023+DMDLOG_0015} }
(éd.). Anhang., dans Differentialgleichungen und Variationsrechnung Bd. 3, GDML_Books, (1904), p. 455. http://gdmltest.u-ga.fr/item/PPN600797023+DMDLOG_0015/