@inbook{400240, title = {Vorwort des Herausgebers}, booktitle = {Paradoxien des Unendlichen}, series = {GDML\_Books}, publisher = {C. H. Re\-clam sen}, address = {Leipzig}, year = {1851}, pages = {V-VI}, url = {http://dml.mathdoc.fr/item/400240} }
(éd.). Vorwort des Herausgebers, dans Paradoxien des Unendlichen, GDML_Books, (1851), pp. V-VI. http://gdmltest.u-ga.fr/item/400240/