@article{PPN593495500+DMDLOG_0002, title = {Al Lettori.}, booktitle = {Opere Astronomiche Tomo 3}, series = {GDML\_Books}, publisher = {Societ\`a Editrice Fiorentina}, address = {Firenze}, year = {1843}, pages = {IX}, url = {http://dml.mathdoc.fr/item/PPN593495500+DMDLOG_0002} }
(éd.). Al Lettori., dans Opere Astronomiche Tomo 3, GDML_Books, (1843), p. IX. http://gdmltest.u-ga.fr/item/PPN593495500+DMDLOG_0002/