@book{PPN379888408, title = {Niedere Zahlentheorie}, series = {GDML\_Books}, year = {1902}, language = {ger}, url = {http://dml.mathdoc.fr/item/PPN379888408} }
(éd.). Niedere Zahlentheorie. GDML_Books (1902), http://gdmltest.u-ga.fr/item/PPN379888408/