@article{PPN591235048+DMDLOG_0008, title = {Sectio IV. Trigonometria.}, booktitle = {Geometria Tomus 2}, series = {GDML\_Books}, publisher = {Weber}, address = {Posonii}, year = {1801}, pages = {129}, url = {http://dml.mathdoc.fr/item/PPN591235048+DMDLOG_0008} }
(éd.). Sectio IV. Trigonometria., dans Geometria Tomus 2, GDML_Books, (1801), p. 129. http://gdmltest.u-ga.fr/item/PPN591235048+DMDLOG_0008/