@book{PPN589109618, title = {Handbuch der reinen Gr\"o\ss enlehre 1. Theil}, series = {GDML\_Books}, publisher = {Dieterich}, year = {1785}, language = {de}, url = {http://dml.mathdoc.fr/item/PPN589109618} }
Hildebrandt, Georg Friedrich. Handbuch der reinen Größenlehre 1. Theil. GDML_Books (1785), http://gdmltest.u-ga.fr/item/PPN589109618/