@article{PPN588775274+DMDLOG_0002, title = {Pr\ae fatio.}, booktitle = {Qui Opticam, Perspectivam, Catoptricam, Dioptricam, Sphaerica et Trigonometriam Sphaericam, atque Astronomiam, tam Sphaericam quam Theoricam, complectitur Tomus 3}, series = {GDML\_Books}, publisher = {Gosse}, address = {Genevae}, year = {1740}, url = {http://dml.mathdoc.fr/item/PPN588775274+DMDLOG_0002} }
(éd.). Præfatio., dans Qui Opticam, Perspectivam, Catoptricam, Dioptricam, Sphaerica et Trigonometriam Sphaericam, atque Astronomiam, tam Sphaericam quam Theoricam, complectitur Tomus 3, GDML_Books, (1740), . http://gdmltest.u-ga.fr/item/PPN588775274+DMDLOG_0002/