@book{PPN547473125, title = {Die 1. H\"alfte des XVIII. Jahrhunderts Heft 3, (Abtheilung 1)}, series = {GDML\_Books}, publisher = {Wyss}, address = {Bern}, year = {1889}, language = {fre}, url = {http://dml.mathdoc.fr/item/PPN547473125} }
Graf, Johann Heinrich. Die 1. Hälfte des XVIII. Jahrhunderts Heft 3, (Abtheilung 1). GDML_Books (1889), http://gdmltest.u-ga.fr/item/PPN547473125/