@article{PPN59250879X+DMDLOG_0012, title = {Elementar - Mathematik.}, booktitle = {Arithmetik und Algebra Theil 1}, series = {GDML\_Books}, publisher = {Hirt}, address = {Breslau}, year = {1876}, pages = {123}, url = {http://dml.mathdoc.fr/item/PPN59250879X+DMDLOG_0012} }
(éd.). Elementar - Mathematik., dans Arithmetik und Algebra Theil 1, GDML_Books, (1876), p. 123. http://gdmltest.u-ga.fr/item/PPN59250879X+DMDLOG_0012/